Home / 447,857,812.16-618,046,649.74-249,631,876.12

Finding the Fourth Proportional to 447,857,812.16, 618,046,649.74 and 249,631,876.12

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Solution

The fourth proportional to 447,857,812.16, 618,046,649.74 and 249,631,876.12 is: 344,493,588.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,857,812.16 : 618,046,649.74 = 249,631,876.12 : x
  2. Step 2: Convert to fraction form
    447,857,812.16/618,046,649.74 = 249,631,876.12/x
  3. Step 3: Cross multiply
    447,857,812.16x = 618,046,649.74 × 249,631,876.12
  4. Step 4: Simplify right side
    447,857,812.16x = 154,284,144,704,276,704
  5. Step 5: Solve for x
    x = 154,284,144,704,276,704/447,857,812.16
  6. Step 6: Final answer
    x = 344,493,588.18

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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.