Home / 688,299,091.76-949,852,883.30-375,033,305.72

Finding the Fourth Proportional to 688,299,091.76, 949,852,883.30 and 375,033,305.72

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Solution

The fourth proportional to 688,299,091.76, 949,852,883.30 and 375,033,305.72 is: 517,546,036.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,299,091.76 : 949,852,883.30 = 375,033,305.72 : x
  2. Step 2: Convert to fraction form
    688,299,091.76/949,852,883.30 = 375,033,305.72/x
  3. Step 3: Cross multiply
    688,299,091.76x = 949,852,883.30 × 375,033,305.72
  4. Step 4: Simplify right side
    688,299,091.76x = 356,226,466,771,672,384
  5. Step 5: Solve for x
    x = 356,226,466,771,672,384/688,299,091.76
  6. Step 6: Final answer
    x = 517,546,036.36

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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.