Home / 298,201,872.60-447,302,808.90-79,885,909.80

Finding the Fourth Proportional to 298,201,872.60, 447,302,808.90 and 79,885,909.80

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Solution

The fourth proportional to 298,201,872.60, 447,302,808.90 and 79,885,909.80 is: 119,828,864.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,201,872.60 : 447,302,808.90 = 79,885,909.80 : x
  2. Step 2: Convert to fraction form
    298,201,872.60/447,302,808.90 = 79,885,909.80/x
  3. Step 3: Cross multiply
    298,201,872.60x = 447,302,808.90 × 79,885,909.80
  4. Step 4: Simplify right side
    298,201,872.60x = 35,733,191,845,072,032
  5. Step 5: Solve for x
    x = 35,733,191,845,072,032/298,201,872.60
  6. Step 6: Final answer
    x = 119,828,864.70

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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.