Home / 688,299,098.28-949,852,892.28-375,033,312.24

Finding the Fourth Proportional to 688,299,098.28, 949,852,892.28 and 375,033,312.24

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Solution

The fourth proportional to 688,299,098.28, 949,852,892.28 and 375,033,312.24 is: 517,546,045.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,299,098.28 : 949,852,892.28 = 375,033,312.24 : x
  2. Step 2: Convert to fraction form
    688,299,098.28/949,852,892.28 = 375,033,312.24/x
  3. Step 3: Cross multiply
    688,299,098.28x = 949,852,892.28 × 375,033,312.24
  4. Step 4: Simplify right side
    688,299,098.28x = 356,226,476,332,512,320
  5. Step 5: Solve for x
    x = 356,226,476,332,512,320/688,299,098.28
  6. Step 6: Final answer
    x = 517,546,045.35

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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.