Home / 1,078,111,668.76-1,487,794,101.80-583,074,376.72

Finding the Fourth Proportional to 1,078,111,668.76, 1,487,794,101.80 and 583,074,376.72

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Solution

The fourth proportional to 1,078,111,668.76, 1,487,794,101.80 and 583,074,376.72 is: 804,642,639.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,111,668.76 : 1,487,794,101.80 = 583,074,376.72 : x
  2. Step 2: Convert to fraction form
    1,078,111,668.76/1,487,794,101.80 = 583,074,376.72/x
  3. Step 3: Cross multiply
    1,078,111,668.76x = 1,487,794,101.80 × 583,074,376.72
  4. Step 4: Simplify right side
    1,078,111,668.76x = 867,494,618,594,727,296
  5. Step 5: Solve for x
    x = 867,494,618,594,727,296/1,078,111,668.76
  6. Step 6: Final answer
    x = 804,642,639.28

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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.