Home / 688,299,086.62-949,852,876.22-375,033,300.58

Finding the Fourth Proportional to 688,299,086.62, 949,852,876.22 and 375,033,300.58

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Solution

The fourth proportional to 688,299,086.62, 949,852,876.22 and 375,033,300.58 is: 517,546,029.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,299,086.62 : 949,852,876.22 = 375,033,300.58 : x
  2. Step 2: Convert to fraction form
    688,299,086.62/949,852,876.22 = 375,033,300.58/x
  3. Step 3: Cross multiply
    688,299,086.62x = 949,852,876.22 × 375,033,300.58
  4. Step 4: Simplify right side
    688,299,086.62x = 356,226,459,234,192,768
  5. Step 5: Solve for x
    x = 356,226,459,234,192,768/688,299,086.62
  6. Step 6: Final answer
    x = 517,546,029.28

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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.