Home / 318,756,200,604.24-478,134,300,939.18-106,520,333,107.20

Finding the Fourth Proportional to 318,756,200,604.24, 478,134,300,939.18 and 106,520,333,107.20

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Solution

The fourth proportional to 318,756,200,604.24, 478,134,300,939.18 and 106,520,333,107.20 is: 159,780,499,671.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,756,200,604.24 : 478,134,300,939.18 = 106,520,333,107.20 : x
  2. Step 2: Convert to fraction form
    318,756,200,604.24/478,134,300,939.18 = 106,520,333,107.20/x
  3. Step 3: Cross multiply
    318,756,200,604.24x = 478,134,300,939.18 × 106,520,333,107.20
  4. Step 4: Simplify right side
    318,756,200,604.24x = 50,931,025,006,019,659,956,224
  5. Step 5: Solve for x
    x = 50,931,025,006,019,659,956,224/318,756,200,604.24
  6. Step 6: Final answer
    x = 159,780,499,671.77

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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.