Home / 720,189,989.92-1,080,284,997.84-174,927,849.76

Finding the Fourth Proportional to 720,189,989.92, 1,080,284,997.84 and 174,927,849.76

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Solution

The fourth proportional to 720,189,989.92, 1,080,284,997.84 and 174,927,849.76 is: 262,391,777.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,189,989.92 : 1,080,284,997.84 = 174,927,849.76 : x
  2. Step 2: Convert to fraction form
    720,189,989.92/1,080,284,997.84 = 174,927,849.76/x
  3. Step 3: Cross multiply
    720,189,989.92x = 1,080,284,997.84 × 174,927,849.76
  4. Step 4: Simplify right side
    720,189,989.92x = 188,971,931,800,137,408
  5. Step 5: Solve for x
    x = 188,971,931,800,137,408/720,189,989.92
  6. Step 6: Final answer
    x = 262,391,777.79

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1.5x scale

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.