Home / 747,652,996.80-1,122,489,233.10-437,078,876.40

Finding the Fourth Proportional to 747,652,996.80, 1,122,489,233.10 and 437,078,876.40

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Solution

The fourth proportional to 747,652,996.80, 1,122,489,233.10 and 437,078,876.40 is: 656,208,608.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,652,996.80 : 1,122,489,233.10 = 437,078,876.40 : x
  2. Step 2: Convert to fraction form
    747,652,996.80/1,122,489,233.10 = 437,078,876.40/x
  3. Step 3: Cross multiply
    747,652,996.80x = 1,122,489,233.10 × 437,078,876.40
  4. Step 4: Simplify right side
    747,652,996.80x = 490,616,332,774,445,632
  5. Step 5: Solve for x
    x = 490,616,332,774,445,632/747,652,996.80
  6. Step 6: Final answer
    x = 656,208,608.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.