Home / 674,220,926.40-1,011,520,346.40-329,185,809.60

Finding the Fourth Proportional to 674,220,926.40, 1,011,520,346.40 and 329,185,809.60

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Solution

The fourth proportional to 674,220,926.40, 1,011,520,346.40 and 329,185,809.60 is: 493,870,971.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,220,926.40 : 1,011,520,346.40 = 329,185,809.60 : x
  2. Step 2: Convert to fraction form
    674,220,926.40/1,011,520,346.40 = 329,185,809.60/x
  3. Step 3: Cross multiply
    674,220,926.40x = 1,011,520,346.40 × 329,185,809.60
  4. Step 4: Simplify right side
    674,220,926.40x = 332,978,144,156,556,480
  5. Step 5: Solve for x
    x = 332,978,144,156,556,480/674,220,926.40
  6. Step 6: Final answer
    x = 493,870,971.84

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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.