Home / 763,207,583.04-1,053,235,923.84-428,753,160.90

Finding the Fourth Proportional to 763,207,583.04, 1,053,235,923.84 and 428,753,160.90

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Solution

The fourth proportional to 763,207,583.04, 1,053,235,923.84 and 428,753,160.90 is: 591,684,676.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,207,583.04 : 1,053,235,923.84 = 428,753,160.90 : x
  2. Step 2: Convert to fraction form
    763,207,583.04/1,053,235,923.84 = 428,753,160.90/x
  3. Step 3: Cross multiply
    763,207,583.04x = 1,053,235,923.84 × 428,753,160.90
  4. Step 4: Simplify right side
    763,207,583.04x = 451,578,231,519,831,680
  5. Step 5: Solve for x
    x = 451,578,231,519,831,680/763,207,583.04
  6. Step 6: Final answer
    x = 591,684,676.04

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1.5x scale

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.