Home / 708,588,009.45-1,062,882,014.18-665,505,859.05

Finding the Fourth Proportional to 708,588,009.45, 1,062,882,014.18 and 665,505,859.05

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Solution

The fourth proportional to 708,588,009.45, 1,062,882,014.18 and 665,505,859.05 is: 998,258,788.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,588,009.45 : 1,062,882,014.18 = 665,505,859.05 : x
  2. Step 2: Convert to fraction form
    708,588,009.45/1,062,882,014.18 = 665,505,859.05/x
  3. Step 3: Cross multiply
    708,588,009.45x = 1,062,882,014.18 × 665,505,859.05
  4. Step 4: Simplify right side
    708,588,009.45x = 707,354,207,912,327,552
  5. Step 5: Solve for x
    x = 707,354,207,912,327,552/708,588,009.45
  6. Step 6: Final answer
    x = 998,258,788.58

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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.