Home / 890,156,355.52-1,228,253,344.77-513,675,597.73

Finding the Fourth Proportional to 890,156,355.52, 1,228,253,344.77 and 513,675,597.73

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Solution

The fourth proportional to 890,156,355.52, 1,228,253,344.77 and 513,675,597.73 is: 708,778,595.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,156,355.52 : 1,228,253,344.77 = 513,675,597.73 : x
  2. Step 2: Convert to fraction form
    890,156,355.52/1,228,253,344.77 = 513,675,597.73/x
  3. Step 3: Cross multiply
    890,156,355.52x = 1,228,253,344.77 × 513,675,597.73
  4. Step 4: Simplify right side
    890,156,355.52x = 630,923,771,038,601,472
  5. Step 5: Solve for x
    x = 630,923,771,038,601,472/890,156,355.52
  6. Step 6: Final answer
    x = 708,778,595.05

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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.