Home / 862,555,823.67-1,293,373,399.23-447,614,848.38

Finding the Fourth Proportional to 862,555,823.67, 1,293,373,399.23 and 447,614,848.38

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Solution

The fourth proportional to 862,555,823.67, 1,293,373,399.23 and 447,614,848.38 is: 671,183,385.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,555,823.67 : 1,293,373,399.23 = 447,614,848.38 : x
  2. Step 2: Convert to fraction form
    862,555,823.67/1,293,373,399.23 = 447,614,848.38/x
  3. Step 3: Cross multiply
    862,555,823.67x = 1,293,373,399.23 × 447,614,848.38
  4. Step 4: Simplify right side
    862,555,823.67x = 578,933,137,995,061,632
  5. Step 5: Solve for x
    x = 578,933,137,995,061,632/862,555,823.67
  6. Step 6: Final answer
    x = 671,183,385.59

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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.