Home / 575,425,981.40-863,138,972.10-527,808,867.80

Finding the Fourth Proportional to 575,425,981.40, 863,138,972.10 and 527,808,867.80

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Solution

The fourth proportional to 575,425,981.40, 863,138,972.10 and 527,808,867.80 is: 791,713,301.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,425,981.40 : 863,138,972.10 = 527,808,867.80 : x
  2. Step 2: Convert to fraction form
    575,425,981.40/863,138,972.10 = 527,808,867.80/x
  3. Step 3: Cross multiply
    575,425,981.40x = 863,138,972.10 × 527,808,867.80
  4. Step 4: Simplify right side
    575,425,981.40x = 455,572,403,618,156,800
  5. Step 5: Solve for x
    x = 455,572,403,618,156,800/575,425,981.40
  6. Step 6: Final answer
    x = 791,713,301.70

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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.