Home / 1,117,259,151.90-1,542,005,248.95-647,654,225.82

Finding the Fourth Proportional to 1,117,259,151.90, 1,542,005,248.95 and 647,654,225.82

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Solution

The fourth proportional to 1,117,259,151.90, 1,542,005,248.95 and 647,654,225.82 is: 893,871,591.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,259,151.90 : 1,542,005,248.95 = 647,654,225.82 : x
  2. Step 2: Convert to fraction form
    1,117,259,151.90/1,542,005,248.95 = 647,654,225.82/x
  3. Step 3: Cross multiply
    1,117,259,151.90x = 1,542,005,248.95 × 647,654,225.82
  4. Step 4: Simplify right side
    1,117,259,151.90x = 998,686,215,719,088,768
  5. Step 5: Solve for x
    x = 998,686,215,719,088,768/1,117,259,151.90
  6. Step 6: Final answer
    x = 893,871,591.05

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Double scale
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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.