Home / 645,931,330.74-967,479,560.24-533,998,401.26

Finding the Fourth Proportional to 645,931,330.74, 967,479,560.24 and 533,998,401.26

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Solution

The fourth proportional to 645,931,330.74, 967,479,560.24 and 533,998,401.26 is: 799,825,792.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,931,330.74 : 967,479,560.24 = 533,998,401.26 : x
  2. Step 2: Convert to fraction form
    645,931,330.74/967,479,560.24 = 533,998,401.26/x
  3. Step 3: Cross multiply
    645,931,330.74x = 967,479,560.24 × 533,998,401.26
  4. Step 4: Simplify right side
    645,931,330.74x = 516,632,538,412,380,480
  5. Step 5: Solve for x
    x = 516,632,538,412,380,480/645,931,330.74
  6. Step 6: Final answer
    x = 799,825,792.35

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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.