Home / 1,216,639,181.98-1,824,229,977.45-387,234,565.66

Finding the Fourth Proportional to 1,216,639,181.98, 1,824,229,977.45 and 387,234,565.66

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Solution

The fourth proportional to 1,216,639,181.98, 1,824,229,977.45 and 387,234,565.66 is: 580,619,885.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,639,181.98 : 1,824,229,977.45 = 387,234,565.66 : x
  2. Step 2: Convert to fraction form
    1,216,639,181.98/1,824,229,977.45 = 387,234,565.66/x
  3. Step 3: Cross multiply
    1,216,639,181.98x = 1,824,229,977.45 × 387,234,565.66
  4. Step 4: Simplify right side
    1,216,639,181.98x = 706,404,902,981,802,368
  5. Step 5: Solve for x
    x = 706,404,902,981,802,368/1,216,639,181.98
  6. Step 6: Final answer
    x = 580,619,885.87

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Double scale
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1.5x scale

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.