Home / 717,743,779.52-990,670,705.44-467,471,826.52

Finding the Fourth Proportional to 717,743,779.52, 990,670,705.44 and 467,471,826.52

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Solution

The fourth proportional to 717,743,779.52, 990,670,705.44 and 467,471,826.52 is: 645,231,149.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,743,779.52 : 990,670,705.44 = 467,471,826.52 : x
  2. Step 2: Convert to fraction form
    717,743,779.52/990,670,705.44 = 467,471,826.52/x
  3. Step 3: Cross multiply
    717,743,779.52x = 990,670,705.44 × 467,471,826.52
  4. Step 4: Simplify right side
    717,743,779.52x = 463,110,644,147,664,000
  5. Step 5: Solve for x
    x = 463,110,644,147,664,000/717,743,779.52
  6. Step 6: Final answer
    x = 645,231,149.84

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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.