Home / 806,748,589.52-1,113,297,935.17-493,459,789.76

Finding the Fourth Proportional to 806,748,589.52, 1,113,297,935.17 and 493,459,789.76

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Solution

The fourth proportional to 806,748,589.52, 1,113,297,935.17 and 493,459,789.76 is: 680,965,262.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,748,589.52 : 1,113,297,935.17 = 493,459,789.76 : x
  2. Step 2: Convert to fraction form
    806,748,589.52/1,113,297,935.17 = 493,459,789.76/x
  3. Step 3: Cross multiply
    806,748,589.52x = 1,113,297,935.17 × 493,459,789.76
  4. Step 4: Simplify right side
    806,748,589.52x = 549,367,765,027,542,592
  5. Step 5: Solve for x
    x = 549,367,765,027,542,592/806,748,589.52
  6. Step 6: Final answer
    x = 680,965,262.49

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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.