Home / 442,974,703.68-664,604,002.56-310,165,902.72

Finding the Fourth Proportional to 442,974,703.68, 664,604,002.56 and 310,165,902.72

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Solution

The fourth proportional to 442,974,703.68, 664,604,002.56 and 310,165,902.72 is: 465,348,243.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,974,703.68 : 664,604,002.56 = 310,165,902.72 : x
  2. Step 2: Convert to fraction form
    442,974,703.68/664,604,002.56 = 310,165,902.72/x
  3. Step 3: Cross multiply
    442,974,703.68x = 664,604,002.56 × 310,165,902.72
  4. Step 4: Simplify right side
    442,974,703.68x = 206,137,500,405,347,584
  5. Step 5: Solve for x
    x = 206,137,500,405,347,584/442,974,703.68
  6. Step 6: Final answer
    x = 465,348,243.80

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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.