Home / 772,689,096.20-1,160,377,337.10-409,892,040.20

Finding the Fourth Proportional to 772,689,096.20, 1,160,377,337.10 and 409,892,040.20

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Solution

The fourth proportional to 772,689,096.20, 1,160,377,337.10 and 409,892,040.20 is: 615,550,855.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,689,096.20 : 1,160,377,337.10 = 409,892,040.20 : x
  2. Step 2: Convert to fraction form
    772,689,096.20/1,160,377,337.10 = 409,892,040.20/x
  3. Step 3: Cross multiply
    772,689,096.20x = 1,160,377,337.10 × 409,892,040.20
  4. Step 4: Simplify right side
    772,689,096.20x = 475,629,434,105,762,112
  5. Step 5: Solve for x
    x = 475,629,434,105,762,112/772,689,096.20
  6. Step 6: Final answer
    x = 615,550,855.38

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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.