Home / 462,147,694.90-637,779,242.54-253,304,372.68

Finding the Fourth Proportional to 462,147,694.90, 637,779,242.54 and 253,304,372.68

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Solution

The fourth proportional to 462,147,694.90, 637,779,242.54 and 253,304,372.68 is: 349,568,488.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,147,694.90 : 637,779,242.54 = 253,304,372.68 : x
  2. Step 2: Convert to fraction form
    462,147,694.90/637,779,242.54 = 253,304,372.68/x
  3. Step 3: Cross multiply
    462,147,694.90x = 637,779,242.54 × 253,304,372.68
  4. Step 4: Simplify right side
    462,147,694.90x = 161,552,270,938,959,104
  5. Step 5: Solve for x
    x = 161,552,270,938,959,104/462,147,694.90
  6. Step 6: Final answer
    x = 349,568,488.00

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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.