Home / 688,299,091.70-949,852,883.22-375,033,305.66

Finding the Fourth Proportional to 688,299,091.70, 949,852,883.22 and 375,033,305.66

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Solution

The fourth proportional to 688,299,091.70, 949,852,883.22 and 375,033,305.66 is: 517,546,036.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,299,091.70 : 949,852,883.22 = 375,033,305.66 : x
  2. Step 2: Convert to fraction form
    688,299,091.70/949,852,883.22 = 375,033,305.66/x
  3. Step 3: Cross multiply
    688,299,091.70x = 949,852,883.22 × 375,033,305.66
  4. Step 4: Simplify right side
    688,299,091.70x = 356,226,466,684,678,592
  5. Step 5: Solve for x
    x = 356,226,466,684,678,592/688,299,091.70
  6. Step 6: Final answer
    x = 517,546,036.28

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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.