Home / 641,543,753.16-885,730,235.60-440,946,033.30

Finding the Fourth Proportional to 641,543,753.16, 885,730,235.60 and 440,946,033.30

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Solution

The fourth proportional to 641,543,753.16, 885,730,235.60 and 440,946,033.30 is: 608,780,355.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,543,753.16 : 885,730,235.60 = 440,946,033.30 : x
  2. Step 2: Convert to fraction form
    641,543,753.16/885,730,235.60 = 440,946,033.30/x
  3. Step 3: Cross multiply
    641,543,753.16x = 885,730,235.60 × 440,946,033.30
  4. Step 4: Simplify right side
    641,543,753.16x = 390,559,233,959,489,728
  5. Step 5: Solve for x
    x = 390,559,233,959,489,728/641,543,753.16
  6. Step 6: Final answer
    x = 608,780,355.25

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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.