Home / 423,150,854.76-634,436,514.36-215,487,287.82

Finding the Fourth Proportional to 423,150,854.76, 634,436,514.36 and 215,487,287.82

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Solution

The fourth proportional to 423,150,854.76, 634,436,514.36 and 215,487,287.82 is: 323,083,369.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,150,854.76 : 634,436,514.36 = 215,487,287.82 : x
  2. Step 2: Convert to fraction form
    423,150,854.76/634,436,514.36 = 215,487,287.82/x
  3. Step 3: Cross multiply
    423,150,854.76x = 634,436,514.36 × 215,487,287.82
  4. Step 4: Simplify right side
    423,150,854.76x = 136,713,003,773,410,880
  5. Step 5: Solve for x
    x = 136,713,003,773,410,880/423,150,854.76
  6. Step 6: Final answer
    x = 323,083,369.05

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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.