Home / 850,957,335.20-1,276,436,002.80-522,367,364.90

Finding the Fourth Proportional to 850,957,335.20, 1,276,436,002.80 and 522,367,364.90

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Solution

The fourth proportional to 850,957,335.20, 1,276,436,002.80 and 522,367,364.90 is: 783,551,047.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,957,335.20 : 1,276,436,002.80 = 522,367,364.90 : x
  2. Step 2: Convert to fraction form
    850,957,335.20/1,276,436,002.80 = 522,367,364.90/x
  3. Step 3: Cross multiply
    850,957,335.20x = 1,276,436,002.80 × 522,367,364.90
  4. Step 4: Simplify right side
    850,957,335.20x = 666,768,511,246,124,928
  5. Step 5: Solve for x
    x = 666,768,511,246,124,928/850,957,335.20
  6. Step 6: Final answer
    x = 783,551,047.35

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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.