Home / 765,354,931.28-1,055,625,914.92-577,191,154.88

Finding the Fourth Proportional to 765,354,931.28, 1,055,625,914.92 and 577,191,154.88

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Solution

The fourth proportional to 765,354,931.28, 1,055,625,914.92 and 577,191,154.88 is: 796,098,536.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,354,931.28 : 1,055,625,914.92 = 577,191,154.88 : x
  2. Step 2: Convert to fraction form
    765,354,931.28/1,055,625,914.92 = 577,191,154.88/x
  3. Step 3: Cross multiply
    765,354,931.28x = 1,055,625,914.92 × 577,191,154.88
  4. Step 4: Simplify right side
    765,354,931.28x = 609,297,940,953,931,392
  5. Step 5: Solve for x
    x = 609,297,940,953,931,392/765,354,931.28
  6. Step 6: Final answer
    x = 796,098,536.84

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Double scale
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1.5x scale

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.