Home / 348,030,079.20-521,597,221.20-266,848,639.20

Finding the Fourth Proportional to 348,030,079.20, 521,597,221.20 and 266,848,639.20

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Solution

The fourth proportional to 348,030,079.20, 521,597,221.20 and 266,848,639.20 is: 399,929,537.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,030,079.20 : 521,597,221.20 = 266,848,639.20 : x
  2. Step 2: Convert to fraction form
    348,030,079.20/521,597,221.20 = 266,848,639.20/x
  3. Step 3: Cross multiply
    348,030,079.20x = 521,597,221.20 × 266,848,639.20
  4. Step 4: Simplify right side
    348,030,079.20x = 139,187,508,687,721,376
  5. Step 5: Solve for x
    x = 139,187,508,687,721,376/348,030,079.20
  6. Step 6: Final answer
    x = 399,929,537.72

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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.