Home / 840,121,057.49-1,159,385,618.22-463,776,753.83

Finding the Fourth Proportional to 840,121,057.49, 1,159,385,618.22 and 463,776,753.83

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Solution

The fourth proportional to 840,121,057.49, 1,159,385,618.22 and 463,776,753.83 is: 640,022,165.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,121,057.49 : 1,159,385,618.22 = 463,776,753.83 : x
  2. Step 2: Convert to fraction form
    840,121,057.49/1,159,385,618.22 = 463,776,753.83/x
  3. Step 3: Cross multiply
    840,121,057.49x = 1,159,385,618.22 × 463,776,753.83
  4. Step 4: Simplify right side
    840,121,057.49x = 537,696,098,455,259,328
  5. Step 5: Solve for x
    x = 537,696,098,455,259,328/840,121,057.49
  6. Step 6: Final answer
    x = 640,022,165.45

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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.