Home / 298,834,773.12-447,332,790.18-194,980,354.80

Finding the Fourth Proportional to 298,834,773.12, 447,332,790.18 and 194,980,354.80

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Solution

The fourth proportional to 298,834,773.12, 447,332,790.18 and 194,980,354.80 is: 291,870,672.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,834,773.12 : 447,332,790.18 = 194,980,354.80 : x
  2. Step 2: Convert to fraction form
    298,834,773.12/447,332,790.18 = 194,980,354.80/x
  3. Step 3: Cross multiply
    298,834,773.12x = 447,332,790.18 × 194,980,354.80
  4. Step 4: Simplify right side
    298,834,773.12x = 87,221,106,142,970,368
  5. Step 5: Solve for x
    x = 87,221,106,142,970,368/298,834,773.12
  6. Step 6: Final answer
    x = 291,870,672.32

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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.