Home / 579,264,916.40-869,905,144.20-307,167,124.40

Finding the Fourth Proportional to 579,264,916.40, 869,905,144.20 and 307,167,124.40

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Solution

The fourth proportional to 579,264,916.40, 869,905,144.20 and 307,167,124.40 is: 461,285,077.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,264,916.40 : 869,905,144.20 = 307,167,124.40 : x
  2. Step 2: Convert to fraction form
    579,264,916.40/869,905,144.20 = 307,167,124.40/x
  3. Step 3: Cross multiply
    579,264,916.40x = 869,905,144.20 × 307,167,124.40
  4. Step 4: Simplify right side
    579,264,916.40x = 267,206,261,644,681,344
  5. Step 5: Solve for x
    x = 267,206,261,644,681,344/579,264,916.40
  6. Step 6: Final answer
    x = 461,285,077.14

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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.