Home / 318,872,439,671.70-478,309,119,850.52-130,218,335,225.73

Finding the Fourth Proportional to 318,872,439,671.70, 478,309,119,850.52 and 130,218,335,225.73

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Solution

The fourth proportional to 318,872,439,671.70, 478,309,119,850.52 and 130,218,335,225.73 is: 195,327,690,829.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,872,439,671.70 : 478,309,119,850.52 = 130,218,335,225.73 : x
  2. Step 2: Convert to fraction form
    318,872,439,671.70/478,309,119,850.52 = 130,218,335,225.73/x
  3. Step 3: Cross multiply
    318,872,439,671.70x = 478,309,119,850.52 × 130,218,335,225.73
  4. Step 4: Simplify right side
    318,872,439,671.70x = 62,284,617,310,218,884,218,880
  5. Step 5: Solve for x
    x = 62,284,617,310,218,884,218,880/318,872,439,671.70
  6. Step 6: Final answer
    x = 195,327,690,829.43

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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.