Home / 861,775,666.80-1,292,663,500.20-598,747,801.20

Finding the Fourth Proportional to 861,775,666.80, 1,292,663,500.20 and 598,747,801.20

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Solution

The fourth proportional to 861,775,666.80, 1,292,663,500.20 and 598,747,801.20 is: 898,121,701.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,775,666.80 : 1,292,663,500.20 = 598,747,801.20 : x
  2. Step 2: Convert to fraction form
    861,775,666.80/1,292,663,500.20 = 598,747,801.20/x
  3. Step 3: Cross multiply
    861,775,666.80x = 1,292,663,500.20 × 598,747,801.20
  4. Step 4: Simplify right side
    861,775,666.80x = 773,979,428,436,245,888
  5. Step 5: Solve for x
    x = 773,979,428,436,245,888/861,775,666.80
  6. Step 6: Final answer
    x = 898,121,701.80

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1.5x scale

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.