Home / 411,654,001.40-617,481,002.10-220,551,025.40

Finding the Fourth Proportional to 411,654,001.40, 617,481,002.10 and 220,551,025.40

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Solution

The fourth proportional to 411,654,001.40, 617,481,002.10 and 220,551,025.40 is: 330,826,538.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,654,001.40 : 617,481,002.10 = 220,551,025.40 : x
  2. Step 2: Convert to fraction form
    411,654,001.40/617,481,002.10 = 220,551,025.40/x
  3. Step 3: Cross multiply
    411,654,001.40x = 617,481,002.10 × 220,551,025.40
  4. Step 4: Simplify right side
    411,654,001.40x = 136,186,068,178,174,560
  5. Step 5: Solve for x
    x = 136,186,068,178,174,560/411,654,001.40
  6. Step 6: Final answer
    x = 330,826,538.10

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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.