Home / 1,370,258,658.74-1,890,952,180.98-743,727,085.04

Finding the Fourth Proportional to 1,370,258,658.74, 1,890,952,180.98 and 743,727,085.04

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Solution

The fourth proportional to 1,370,258,658.74, 1,890,952,180.98 and 743,727,085.04 is: 1,026,340,789.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370,258,658.74 : 1,890,952,180.98 = 743,727,085.04 : x
  2. Step 2: Convert to fraction form
    1,370,258,658.74/1,890,952,180.98 = 743,727,085.04/x
  3. Step 3: Cross multiply
    1,370,258,658.74x = 1,890,952,180.98 × 743,727,085.04
  4. Step 4: Simplify right side
    1,370,258,658.74x = 1,406,352,353,510,285,824
  5. Step 5: Solve for x
    x = 1,406,352,353,510,285,824/1,370,258,658.74
  6. Step 6: Final answer
    x = 1,026,340,789.41

Related Problems

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Half scale
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Double scale
Find fourth proportional to 1,370,258,659.74, 1,890,952,182.36 and 743,727,086.04
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.