Home / 1,155,910,278.59-1,595,156,195.02-627,274,263.90

Finding the Fourth Proportional to 1,155,910,278.59, 1,595,156,195.02 and 627,274,263.90

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Solution

The fourth proportional to 1,155,910,278.59, 1,595,156,195.02 and 627,274,263.90 is: 865,638,489.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,155,910,278.59 : 1,595,156,195.02 = 627,274,263.90 : x
  2. Step 2: Convert to fraction form
    1,155,910,278.59/1,595,156,195.02 = 627,274,263.90/x
  3. Step 3: Cross multiply
    1,155,910,278.59x = 1,595,156,195.02 × 627,274,263.90
  4. Step 4: Simplify right side
    1,155,910,278.59x = 1,000,600,428,036,695,296
  5. Step 5: Solve for x
    x = 1,000,600,428,036,695,296/1,155,910,278.59
  6. Step 6: Final answer
    x = 865,638,489.92

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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.