Home / 674,018,103.60-1,011,027,155.40-329,192,938.80

Finding the Fourth Proportional to 674,018,103.60, 1,011,027,155.40 and 329,192,938.80

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Solution

The fourth proportional to 674,018,103.60, 1,011,027,155.40 and 329,192,938.80 is: 493,789,408.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,018,103.60 : 1,011,027,155.40 = 329,192,938.80 : x
  2. Step 2: Convert to fraction form
    674,018,103.60/1,011,027,155.40 = 329,192,938.80/x
  3. Step 3: Cross multiply
    674,018,103.60x = 1,011,027,155.40 × 329,192,938.80
  4. Step 4: Simplify right side
    674,018,103.60x = 332,823,000,492,730,304
  5. Step 5: Solve for x
    x = 332,823,000,492,730,304/674,018,103.60
  6. Step 6: Final answer
    x = 493,789,408.20

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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.