Home / 677,221,257.89-1,016,002,538.45-192,547,065.89

Finding the Fourth Proportional to 677,221,257.89, 1,016,002,538.45 and 192,547,065.89

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Solution

The fourth proportional to 677,221,257.89, 1,016,002,538.45 and 192,547,065.89 is: 288,869,118.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,221,257.89 : 1,016,002,538.45 = 192,547,065.89 : x
  2. Step 2: Convert to fraction form
    677,221,257.89/1,016,002,538.45 = 192,547,065.89/x
  3. Step 3: Cross multiply
    677,221,257.89x = 1,016,002,538.45 × 192,547,065.89
  4. Step 4: Simplify right side
    677,221,257.89x = 195,628,307,714,376,672
  5. Step 5: Solve for x
    x = 195,628,307,714,376,672/677,221,257.89
  6. Step 6: Final answer
    x = 288,869,118.38

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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.