Home / 462,147,712.68-637,779,267.20-253,304,390.48

Finding the Fourth Proportional to 462,147,712.68, 637,779,267.20 and 253,304,390.48

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Solution

The fourth proportional to 462,147,712.68, 637,779,267.20 and 253,304,390.48 is: 349,568,512.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,147,712.68 : 637,779,267.20 = 253,304,390.48 : x
  2. Step 2: Convert to fraction form
    462,147,712.68/637,779,267.20 = 253,304,390.48/x
  3. Step 3: Cross multiply
    462,147,712.68x = 637,779,267.20 × 253,304,390.48
  4. Step 4: Simplify right side
    462,147,712.68x = 161,552,288,538,877,056
  5. Step 5: Solve for x
    x = 161,552,288,538,877,056/462,147,712.68
  6. Step 6: Final answer
    x = 349,568,512.63

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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.