Home / 382,465,043.31-572,510,002.08-207,152,654.43

Finding the Fourth Proportional to 382,465,043.31, 572,510,002.08 and 207,152,654.43

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Solution

The fourth proportional to 382,465,043.31, 572,510,002.08 and 207,152,654.43 is: 310,085,767.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,465,043.31 : 572,510,002.08 = 207,152,654.43 : x
  2. Step 2: Convert to fraction form
    382,465,043.31/572,510,002.08 = 207,152,654.43/x
  3. Step 3: Cross multiply
    382,465,043.31x = 572,510,002.08 × 207,152,654.43
  4. Step 4: Simplify right side
    382,465,043.31x = 118,596,966,618,596,832
  5. Step 5: Solve for x
    x = 118,596,966,618,596,832/382,465,043.31
  6. Step 6: Final answer
    x = 310,085,767.82

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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.