Home / 313,129,331.31-469,691,006.16-190,341,550.38

Finding the Fourth Proportional to 313,129,331.31, 469,691,006.16 and 190,341,550.38

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Solution

The fourth proportional to 313,129,331.31, 469,691,006.16 and 190,341,550.38 is: 285,510,507.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,129,331.31 : 469,691,006.16 = 190,341,550.38 : x
  2. Step 2: Convert to fraction form
    313,129,331.31/469,691,006.16 = 190,341,550.38/x
  3. Step 3: Cross multiply
    313,129,331.31x = 469,691,006.16 × 190,341,550.38
  4. Step 4: Simplify right side
    313,129,331.31x = 89,401,714,312,036,528
  5. Step 5: Solve for x
    x = 89,401,714,312,036,528/313,129,331.31
  6. Step 6: Final answer
    x = 285,510,507.55

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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.