Home / 1,187,931,227.22-1,781,964,936.26-314,509,899.71

Finding the Fourth Proportional to 1,187,931,227.22, 1,781,964,936.26 and 314,509,899.71

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Solution

The fourth proportional to 1,187,931,227.22, 1,781,964,936.26 and 314,509,899.71 is: 471,782,878.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,187,931,227.22 : 1,781,964,936.26 = 314,509,899.71 : x
  2. Step 2: Convert to fraction form
    1,187,931,227.22/1,781,964,936.26 = 314,509,899.71/x
  3. Step 3: Cross multiply
    1,187,931,227.22x = 1,781,964,936.26 × 314,509,899.71
  4. Step 4: Simplify right side
    1,187,931,227.22x = 560,445,613,379,386,752
  5. Step 5: Solve for x
    x = 560,445,613,379,386,752/1,187,931,227.22
  6. Step 6: Final answer
    x = 471,782,878.11

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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.