Home / 1,013,614,840.50-1,398,788,479.89-550,040,824.50

Finding the Fourth Proportional to 1,013,614,840.50, 1,398,788,479.89 and 550,040,824.50

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Solution

The fourth proportional to 1,013,614,840.50, 1,398,788,479.89 and 550,040,824.50 is: 759,056,337.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,614,840.50 : 1,398,788,479.89 = 550,040,824.50 : x
  2. Step 2: Convert to fraction form
    1,013,614,840.50/1,398,788,479.89 = 550,040,824.50/x
  3. Step 3: Cross multiply
    1,013,614,840.50x = 1,398,788,479.89 × 550,040,824.50
  4. Step 4: Simplify right side
    1,013,614,840.50x = 769,390,768,779,797,376
  5. Step 5: Solve for x
    x = 769,390,768,779,797,376/1,013,614,840.50
  6. Step 6: Final answer
    x = 759,056,337.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.