Home / 447,595,389.84-670,650,861.06-272,187,829.86

Finding the Fourth Proportional to 447,595,389.84, 670,650,861.06 and 272,187,829.86

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Solution

The fourth proportional to 447,595,389.84, 670,650,861.06 and 272,187,829.86 is: 407,830,390.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,595,389.84 : 670,650,861.06 = 272,187,829.86 : x
  2. Step 2: Convert to fraction form
    447,595,389.84/670,650,861.06 = 272,187,829.86/x
  3. Step 3: Cross multiply
    447,595,389.84x = 670,650,861.06 × 272,187,829.86
  4. Step 4: Simplify right side
    447,595,389.84x = 182,543,002,465,661,760
  5. Step 5: Solve for x
    x = 182,543,002,465,661,760/447,595,389.84
  6. Step 6: Final answer
    x = 407,830,390.15

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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.