Home / 447,857,810.91-618,046,648.02-249,631,874.87

Finding the Fourth Proportional to 447,857,810.91, 618,046,648.02 and 249,631,874.87

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Solution

The fourth proportional to 447,857,810.91, 618,046,648.02 and 249,631,874.87 is: 344,493,586.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,857,810.91 : 618,046,648.02 = 249,631,874.87 : x
  2. Step 2: Convert to fraction form
    447,857,810.91/618,046,648.02 = 249,631,874.87/x
  3. Step 3: Cross multiply
    447,857,810.91x = 618,046,648.02 × 249,631,874.87
  4. Step 4: Simplify right side
    447,857,810.91x = 154,284,143,499,261,344
  5. Step 5: Solve for x
    x = 154,284,143,499,261,344/447,857,810.91
  6. Step 6: Final answer
    x = 344,493,586.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.