Home / 897,176,936.24-1,238,052,515.79-500,668,806.14

Finding the Fourth Proportional to 897,176,936.24, 1,238,052,515.79 and 500,668,806.14

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Solution

The fourth proportional to 897,176,936.24, 1,238,052,515.79 and 500,668,806.14 is: 690,894,125.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,176,936.24 : 1,238,052,515.79 = 500,668,806.14 : x
  2. Step 2: Convert to fraction form
    897,176,936.24/1,238,052,515.79 = 500,668,806.14/x
  3. Step 3: Cross multiply
    897,176,936.24x = 1,238,052,515.79 × 500,668,806.14
  4. Step 4: Simplify right side
    897,176,936.24x = 619,854,275,013,012,480
  5. Step 5: Solve for x
    x = 619,854,275,013,012,480/897,176,936.24
  6. Step 6: Final answer
    x = 690,894,125.76

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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.