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Finding the Fourth Proportional to 532,400,699.90, 798,599,978.92 and 500,002,443.08

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Solution

The fourth proportional to 532,400,699.90, 798,599,978.92 and 500,002,443.08 is: 750,002,658.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,400,699.90 : 798,599,978.92 = 500,002,443.08 : x
  2. Step 2: Convert to fraction form
    532,400,699.90/798,599,978.92 = 500,002,443.08/x
  3. Step 3: Cross multiply
    532,400,699.90x = 798,599,978.92 × 500,002,443.08
  4. Step 4: Simplify right side
    532,400,699.90x = 399,301,940,503,636,480
  5. Step 5: Solve for x
    x = 399,301,940,503,636,480/532,400,699.90
  6. Step 6: Final answer
    x = 750,002,658.86

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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.