Home / 303,634,761.10-455,452,141.65-188,843,505.10

Finding the Fourth Proportional to 303,634,761.10, 455,452,141.65 and 188,843,505.10

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Solution

The fourth proportional to 303,634,761.10, 455,452,141.65 and 188,843,505.10 is: 283,265,257.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,634,761.10 : 455,452,141.65 = 188,843,505.10 : x
  2. Step 2: Convert to fraction form
    303,634,761.10/455,452,141.65 = 188,843,505.10/x
  3. Step 3: Cross multiply
    303,634,761.10x = 455,452,141.65 × 188,843,505.10
  4. Step 4: Simplify right side
    303,634,761.10x = 86,009,178,834,487,696
  5. Step 5: Solve for x
    x = 86,009,178,834,487,696/303,634,761.10
  6. Step 6: Final answer
    x = 283,265,257.65

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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.