Home / 538,890,604.40-808,335,906.60-517,727,442.80

Finding the Fourth Proportional to 538,890,604.40, 808,335,906.60 and 517,727,442.80

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Solution

The fourth proportional to 538,890,604.40, 808,335,906.60 and 517,727,442.80 is: 776,591,164.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,890,604.40 : 808,335,906.60 = 517,727,442.80 : x
  2. Step 2: Convert to fraction form
    538,890,604.40/808,335,906.60 = 517,727,442.80/x
  3. Step 3: Cross multiply
    538,890,604.40x = 808,335,906.60 × 517,727,442.80
  4. Step 4: Simplify right side
    538,890,604.40x = 418,497,681,847,437,696
  5. Step 5: Solve for x
    x = 418,497,681,847,437,696/538,890,604.40
  6. Step 6: Final answer
    x = 776,591,164.20

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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.