Home / 688,305,103.66-949,849,083.66-375,041,891.80

Finding the Fourth Proportional to 688,305,103.66, 949,849,083.66 and 375,041,891.80

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Solution

The fourth proportional to 688,305,103.66, 949,849,083.66 and 375,041,891.80 is: 517,551,294.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,305,103.66 : 949,849,083.66 = 375,041,891.80 : x
  2. Step 2: Convert to fraction form
    688,305,103.66/949,849,083.66 = 375,041,891.80/x
  3. Step 3: Cross multiply
    688,305,103.66x = 949,849,083.66 × 375,041,891.80
  4. Step 4: Simplify right side
    688,305,103.66x = 356,233,197,260,342,848
  5. Step 5: Solve for x
    x = 356,233,197,260,342,848/688,305,103.66
  6. Step 6: Final answer
    x = 517,551,294.28

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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.