Home / 539,098,635.40-808,647,953.10-517,935,473.80

Finding the Fourth Proportional to 539,098,635.40, 808,647,953.10 and 517,935,473.80

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Solution

The fourth proportional to 539,098,635.40, 808,647,953.10 and 517,935,473.80 is: 776,903,210.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,098,635.40 : 808,647,953.10 = 517,935,473.80 : x
  2. Step 2: Convert to fraction form
    539,098,635.40/808,647,953.10 = 517,935,473.80/x
  3. Step 3: Cross multiply
    539,098,635.40x = 808,647,953.10 × 517,935,473.80
  4. Step 4: Simplify right side
    539,098,635.40x = 418,827,460,726,248,704
  5. Step 5: Solve for x
    x = 418,827,460,726,248,704/539,098,635.40
  6. Step 6: Final answer
    x = 776,903,210.70

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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.