Home / 890,156,366.04-1,228,253,359.24-513,675,608.32

Finding the Fourth Proportional to 890,156,366.04, 1,228,253,359.24 and 513,675,608.32

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Solution

The fourth proportional to 890,156,366.04, 1,228,253,359.24 and 513,675,608.32 is: 708,778,609.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,156,366.04 : 1,228,253,359.24 = 513,675,608.32 : x
  2. Step 2: Convert to fraction form
    890,156,366.04/1,228,253,359.24 = 513,675,608.32/x
  3. Step 3: Cross multiply
    890,156,366.04x = 1,228,253,359.24 × 513,675,608.32
  4. Step 4: Simplify right side
    890,156,366.04x = 630,923,791,478,690,432
  5. Step 5: Solve for x
    x = 630,923,791,478,690,432/890,156,366.04
  6. Step 6: Final answer
    x = 708,778,609.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.