Home / 886,468,002.10-1,329,702,003.15-478,321,314.10

Finding the Fourth Proportional to 886,468,002.10, 1,329,702,003.15 and 478,321,314.10

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Solution

The fourth proportional to 886,468,002.10, 1,329,702,003.15 and 478,321,314.10 is: 717,481,971.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,468,002.10 : 1,329,702,003.15 = 478,321,314.10 : x
  2. Step 2: Convert to fraction form
    886,468,002.10/1,329,702,003.15 = 478,321,314.10/x
  3. Step 3: Cross multiply
    886,468,002.10x = 1,329,702,003.15 × 478,321,314.10
  4. Step 4: Simplify right side
    886,468,002.10x = 636,024,809,508,110,464
  5. Step 5: Solve for x
    x = 636,024,809,508,110,464/886,468,002.10
  6. Step 6: Final answer
    x = 717,481,971.15

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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.