Home / 675,409,364.28-1,013,103,403.02-215,344,433.52

Finding the Fourth Proportional to 675,409,364.28, 1,013,103,403.02 and 215,344,433.52

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Solution

The fourth proportional to 675,409,364.28, 1,013,103,403.02 and 215,344,433.52 is: 323,013,256.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,409,364.28 : 1,013,103,403.02 = 215,344,433.52 : x
  2. Step 2: Convert to fraction form
    675,409,364.28/1,013,103,403.02 = 215,344,433.52/x
  3. Step 3: Cross multiply
    675,409,364.28x = 1,013,103,403.02 × 215,344,433.52
  4. Step 4: Simplify right side
    675,409,364.28x = 218,166,178,420,526,176
  5. Step 5: Solve for x
    x = 218,166,178,420,526,176/675,409,364.28
  6. Step 6: Final answer
    x = 323,013,256.79

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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.