Home / 465,461,569.60-698,192,354.40-426,158,555.20

Finding the Fourth Proportional to 465,461,569.60, 698,192,354.40 and 426,158,555.20

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Solution

The fourth proportional to 465,461,569.60, 698,192,354.40 and 426,158,555.20 is: 639,237,832.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,461,569.60 : 698,192,354.40 = 426,158,555.20 : x
  2. Step 2: Convert to fraction form
    465,461,569.60/698,192,354.40 = 426,158,555.20/x
  3. Step 3: Cross multiply
    465,461,569.60x = 698,192,354.40 × 426,158,555.20
  4. Step 4: Simplify right side
    465,461,569.60x = 297,540,645,002,790,336
  5. Step 5: Solve for x
    x = 297,540,645,002,790,336/465,461,569.60
  6. Step 6: Final answer
    x = 639,237,832.80

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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.