Home / 447,539,121.66-671,412,534.57-140,823,262.86

Finding the Fourth Proportional to 447,539,121.66, 671,412,534.57 and 140,823,262.86

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Solution

The fourth proportional to 447,539,121.66, 671,412,534.57 and 140,823,262.86 is: 211,267,572.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,539,121.66 : 671,412,534.57 = 140,823,262.86 : x
  2. Step 2: Convert to fraction form
    447,539,121.66/671,412,534.57 = 140,823,262.86/x
  3. Step 3: Cross multiply
    447,539,121.66x = 671,412,534.57 × 140,823,262.86
  4. Step 4: Simplify right side
    447,539,121.66x = 94,550,503,843,249,968
  5. Step 5: Solve for x
    x = 94,550,503,843,249,968/447,539,121.66
  6. Step 6: Final answer
    x = 211,267,572.53

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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.