Home / 673,979,853.60-1,010,969,780.40-329,154,688.80

Finding the Fourth Proportional to 673,979,853.60, 1,010,969,780.40 and 329,154,688.80

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Solution

The fourth proportional to 673,979,853.60, 1,010,969,780.40 and 329,154,688.80 is: 493,732,033.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,979,853.60 : 1,010,969,780.40 = 329,154,688.80 : x
  2. Step 2: Convert to fraction form
    673,979,853.60/1,010,969,780.40 = 329,154,688.80/x
  3. Step 3: Cross multiply
    673,979,853.60x = 1,010,969,780.40 × 329,154,688.80
  4. Step 4: Simplify right side
    673,979,853.60x = 332,765,443,453,766,336
  5. Step 5: Solve for x
    x = 332,765,443,453,766,336/673,979,853.60
  6. Step 6: Final answer
    x = 493,732,033.20

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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.