Home / 1,370,258,707.24-1,890,952,247.91-743,727,133.54

Finding the Fourth Proportional to 1,370,258,707.24, 1,890,952,247.91 and 743,727,133.54

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Solution

The fourth proportional to 1,370,258,707.24, 1,890,952,247.91 and 743,727,133.54 is: 1,026,340,856.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370,258,707.24 : 1,890,952,247.91 = 743,727,133.54 : x
  2. Step 2: Convert to fraction form
    1,370,258,707.24/1,890,952,247.91 = 743,727,133.54/x
  3. Step 3: Cross multiply
    1,370,258,707.24x = 1,890,952,247.91 × 743,727,133.54
  4. Step 4: Simplify right side
    1,370,258,707.24x = 1,406,352,494,999,123,712
  5. Step 5: Solve for x
    x = 1,406,352,494,999,123,712/1,370,258,707.24
  6. Step 6: Final answer
    x = 1,026,340,856.34

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Double scale
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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.