Home / 521,520,782,498.55-782,281,173,747.81-362,833,350,204.15

Finding the Fourth Proportional to 521,520,782,498.55, 782,281,173,747.81 and 362,833,350,204.15

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Solution

The fourth proportional to 521,520,782,498.55, 782,281,173,747.81 and 362,833,350,204.15 is: 544,250,025,306.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,520,782,498.55 : 782,281,173,747.81 = 362,833,350,204.15 : x
  2. Step 2: Convert to fraction form
    521,520,782,498.55/782,281,173,747.81 = 362,833,350,204.15/x
  3. Step 3: Cross multiply
    521,520,782,498.55x = 782,281,173,747.81 × 362,833,350,204.15
  4. Step 4: Simplify right side
    521,520,782,498.55x = 283,837,699,072,552,687,632,384
  5. Step 5: Solve for x
    x = 283,837,699,072,552,687,632,384/521,520,782,498.55
  6. Step 6: Final answer
    x = 544,250,025,306.22

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Double scale
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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.