Home / 422,962,474-634,300,029.36-146,549,176.96

Finding the Fourth Proportional to 422,962,474, 634,300,029.36 and 146,549,176.96

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Solution

The fourth proportional to 422,962,474, 634,300,029.36 and 146,549,176.96 is: 219,773,982.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,962,474 : 634,300,029.36 = 146,549,176.96 : x
  2. Step 2: Convert to fraction form
    422,962,474/634,300,029.36 = 146,549,176.96/x
  3. Step 3: Cross multiply
    422,962,474x = 634,300,029.36 × 146,549,176.96
  4. Step 4: Simplify right side
    422,962,474x = 92,956,147,248,411,840
  5. Step 5: Solve for x
    x = 92,956,147,248,411,840/422,962,474
  6. Step 6: Final answer
    x = 219,773,982.24

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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.