Home / 517,786,645.60-776,679,968.40-134,834,197.60

Finding the Fourth Proportional to 517,786,645.60, 776,679,968.40 and 134,834,197.60

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Solution

The fourth proportional to 517,786,645.60, 776,679,968.40 and 134,834,197.60 is: 202,251,296.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,786,645.60 : 776,679,968.40 = 134,834,197.60 : x
  2. Step 2: Convert to fraction form
    517,786,645.60/776,679,968.40 = 134,834,197.60/x
  3. Step 3: Cross multiply
    517,786,645.60x = 776,679,968.40 × 134,834,197.60
  4. Step 4: Simplify right side
    517,786,645.60x = 104,723,020,331,207,344
  5. Step 5: Solve for x
    x = 104,723,020,331,207,344/517,786,645.60
  6. Step 6: Final answer
    x = 202,251,296.40

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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.