Home / 462,147,709.95-637,779,263.40-253,304,387.73

Finding the Fourth Proportional to 462,147,709.95, 637,779,263.40 and 253,304,387.73

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Solution

The fourth proportional to 462,147,709.95, 637,779,263.40 and 253,304,387.73 is: 349,568,508.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,147,709.95 : 637,779,263.40 = 253,304,387.73 : x
  2. Step 2: Convert to fraction form
    462,147,709.95/637,779,263.40 = 253,304,387.73/x
  3. Step 3: Cross multiply
    462,147,709.95x = 637,779,263.40 × 253,304,387.73
  4. Step 4: Simplify right side
    462,147,709.95x = 161,552,285,822,427,392
  5. Step 5: Solve for x
    x = 161,552,285,822,427,392/462,147,709.95
  6. Step 6: Final answer
    x = 349,568,508.82

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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.