Home / 885,358,959.71-1,328,325,776.75-263,579,569.85

Finding the Fourth Proportional to 885,358,959.71, 1,328,325,776.75 and 263,579,569.85

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Solution

The fourth proportional to 885,358,959.71, 1,328,325,776.75 and 263,579,569.85 is: 395,454,897.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,358,959.71 : 1,328,325,776.75 = 263,579,569.85 : x
  2. Step 2: Convert to fraction form
    885,358,959.71/1,328,325,776.75 = 263,579,569.85/x
  3. Step 3: Cross multiply
    885,358,959.71x = 1,328,325,776.75 × 263,579,569.85
  4. Step 4: Simplify right side
    885,358,959.71x = 350,119,536,858,435,008
  5. Step 5: Solve for x
    x = 350,119,536,858,435,008/885,358,959.71
  6. Step 6: Final answer
    x = 395,454,897.72

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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.