Home / 298,201,809.60-447,302,714.40-79,885,846.80

Finding the Fourth Proportional to 298,201,809.60, 447,302,714.40 and 79,885,846.80

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Solution

The fourth proportional to 298,201,809.60, 447,302,714.40 and 79,885,846.80 is: 119,828,770.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,201,809.60 : 447,302,714.40 = 79,885,846.80 : x
  2. Step 2: Convert to fraction form
    298,201,809.60/447,302,714.40 = 79,885,846.80/x
  3. Step 3: Cross multiply
    298,201,809.60x = 447,302,714.40 × 79,885,846.80
  4. Step 4: Simplify right side
    298,201,809.60x = 35,733,156,115,782,552
  5. Step 5: Solve for x
    x = 35,733,156,115,782,552/298,201,809.60
  6. Step 6: Final answer
    x = 119,828,770.20

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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.