Home / 1,288,668,167.28-1,932,211,162.44-500,801,892.50

Finding the Fourth Proportional to 1,288,668,167.28, 1,932,211,162.44 and 500,801,892.50

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Solution

The fourth proportional to 1,288,668,167.28, 1,932,211,162.44 and 500,801,892.50 is: 750,895,406.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,288,668,167.28 : 1,932,211,162.44 = 500,801,892.50 : x
  2. Step 2: Convert to fraction form
    1,288,668,167.28/1,932,211,162.44 = 500,801,892.50/x
  3. Step 3: Cross multiply
    1,288,668,167.28x = 1,932,211,162.44 × 500,801,892.50
  4. Step 4: Simplify right side
    1,288,668,167.28x = 967,655,006,859,576,960
  5. Step 5: Solve for x
    x = 967,655,006,859,576,960/1,288,668,167.28
  6. Step 6: Final answer
    x = 750,895,406.15

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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.