Home / 439,352,611,839.38-659,031,139,224.25-137,139,881,045.96

Finding the Fourth Proportional to 439,352,611,839.38, 659,031,139,224.25 and 137,139,881,045.96

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Solution

The fourth proportional to 439,352,611,839.38, 659,031,139,224.25 and 137,139,881,045.96 is: 205,710,514,978.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,352,611,839.38 : 659,031,139,224.25 = 137,139,881,045.96 : x
  2. Step 2: Convert to fraction form
    439,352,611,839.38/659,031,139,224.25 = 137,139,881,045.96/x
  3. Step 3: Cross multiply
    439,352,611,839.38x = 659,031,139,224.25 × 137,139,881,045.96
  4. Step 4: Simplify right side
    439,352,611,839.38x = 90,379,452,038,797,148,028,928
  5. Step 5: Solve for x
    x = 90,379,452,038,797,148,028,928/439,352,611,839.38
  6. Step 6: Final answer
    x = 205,710,514,978.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.