Home / 445,520,540.38-614,768,479.98-247,290,391.40

Finding the Fourth Proportional to 445,520,540.38, 614,768,479.98 and 247,290,391.40

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Solution

The fourth proportional to 445,520,540.38, 614,768,479.98 and 247,290,391.40 is: 341,233,061.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,520,540.38 : 614,768,479.98 = 247,290,391.40 : x
  2. Step 2: Convert to fraction form
    445,520,540.38/614,768,479.98 = 247,290,391.40/x
  3. Step 3: Cross multiply
    445,520,540.38x = 614,768,479.98 × 247,290,391.40
  4. Step 4: Simplify right side
    445,520,540.38x = 152,026,338,034,637,280
  5. Step 5: Solve for x
    x = 152,026,338,034,637,280/445,520,540.38
  6. Step 6: Final answer
    x = 341,233,061.68

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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.