Home / 456,661,687.73-630,193,128.89-247,817,830.38

Finding the Fourth Proportional to 456,661,687.73, 630,193,128.89 and 247,817,830.38

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Solution

The fourth proportional to 456,661,687.73, 630,193,128.89 and 247,817,830.38 is: 341,988,605.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,661,687.73 : 630,193,128.89 = 247,817,830.38 : x
  2. Step 2: Convert to fraction form
    456,661,687.73/630,193,128.89 = 247,817,830.38/x
  3. Step 3: Cross multiply
    456,661,687.73x = 630,193,128.89 × 247,817,830.38
  4. Step 4: Simplify right side
    456,661,687.73x = 156,173,093,920,664,416
  5. Step 5: Solve for x
    x = 156,173,093,920,664,416/456,661,687.73
  6. Step 6: Final answer
    x = 341,988,605.83

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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.