Home / 379,129,117.70-568,693,676.55-310,254,364.10

Finding the Fourth Proportional to 379,129,117.70, 568,693,676.55 and 310,254,364.10

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Solution

The fourth proportional to 379,129,117.70, 568,693,676.55 and 310,254,364.10 is: 465,381,546.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,129,117.70 : 568,693,676.55 = 310,254,364.10 : x
  2. Step 2: Convert to fraction form
    379,129,117.70/568,693,676.55 = 310,254,364.10/x
  3. Step 3: Cross multiply
    379,129,117.70x = 568,693,676.55 × 310,254,364.10
  4. Step 4: Simplify right side
    379,129,117.70x = 176,439,694,985,711,328
  5. Step 5: Solve for x
    x = 176,439,694,985,711,328/379,129,117.70
  6. Step 6: Final answer
    x = 465,381,546.15

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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.