Home / 579,316,155.40-869,982,002.70-307,218,363.40

Finding the Fourth Proportional to 579,316,155.40, 869,982,002.70 and 307,218,363.40

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Solution

The fourth proportional to 579,316,155.40, 869,982,002.70 and 307,218,363.40 is: 461,361,977.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,316,155.40 : 869,982,002.70 = 307,218,363.40 : x
  2. Step 2: Convert to fraction form
    579,316,155.40/869,982,002.70 = 307,218,363.40/x
  3. Step 3: Cross multiply
    579,316,155.40x = 869,982,002.70 × 307,218,363.40
  4. Step 4: Simplify right side
    579,316,155.40x = 267,274,447,056,948,384
  5. Step 5: Solve for x
    x = 267,274,447,056,948,384/579,316,155.40
  6. Step 6: Final answer
    x = 461,361,977.51

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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.