Home / 523,644,264.80-785,466,397.20-479,428,373.60

Finding the Fourth Proportional to 523,644,264.80, 785,466,397.20 and 479,428,373.60

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Solution

The fourth proportional to 523,644,264.80, 785,466,397.20 and 479,428,373.60 is: 719,142,560.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,644,264.80 : 785,466,397.20 = 479,428,373.60 : x
  2. Step 2: Convert to fraction form
    523,644,264.80/785,466,397.20 = 479,428,373.60/x
  3. Step 3: Cross multiply
    523,644,264.80x = 785,466,397.20 × 479,428,373.60
  4. Step 4: Simplify right side
    523,644,264.80x = 376,574,877,327,047,616
  5. Step 5: Solve for x
    x = 376,574,877,327,047,616/523,644,264.80
  6. Step 6: Final answer
    x = 719,142,560.40

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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.