Home / 356,210,550.51-491,588,703.10-205,447,140.13

Finding the Fourth Proportional to 356,210,550.51, 491,588,703.10 and 205,447,140.13

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Solution

The fourth proportional to 356,210,550.51, 491,588,703.10 and 205,447,140.13 is: 283,527,517.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,210,550.51 : 491,588,703.10 = 205,447,140.13 : x
  2. Step 2: Convert to fraction form
    356,210,550.51/491,588,703.10 = 205,447,140.13/x
  3. Step 3: Cross multiply
    356,210,550.51x = 491,588,703.10 × 205,447,140.13
  4. Step 4: Simplify right side
    356,210,550.51x = 100,995,493,172,110,672
  5. Step 5: Solve for x
    x = 100,995,493,172,110,672/356,210,550.51
  6. Step 6: Final answer
    x = 283,527,517.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.