Home / 8,172,481,590.32-12,258,722,547.68-1,961,646,876.95

Finding the Fourth Proportional to 8,172,481,590.32, 12,258,722,547.68 and 1,961,646,876.95

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Solution

The fourth proportional to 8,172,481,590.32, 12,258,722,547.68 and 1,961,646,876.95 is: 2,942,470,354.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,172,481,590.32 : 12,258,722,547.68 = 1,961,646,876.95 : x
  2. Step 2: Convert to fraction form
    8,172,481,590.32/12,258,722,547.68 = 1,961,646,876.95/x
  3. Step 3: Cross multiply
    8,172,481,590.32x = 12,258,722,547.68 × 1,961,646,876.95
  4. Step 4: Simplify right side
    8,172,481,590.32x = 24,047,284,800,981,913,600
  5. Step 5: Solve for x
    x = 24,047,284,800,981,913,600/8,172,481,590.32
  6. Step 6: Final answer
    x = 2,942,470,354.35

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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.