Home / 1,245,763,176.60-1,868,405,616.45-372,393,037.20

Finding the Fourth Proportional to 1,245,763,176.60, 1,868,405,616.45 and 372,393,037.20

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Solution

The fourth proportional to 1,245,763,176.60, 1,868,405,616.45 and 372,393,037.20 is: 558,518,067.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,763,176.60 : 1,868,405,616.45 = 372,393,037.20 : x
  2. Step 2: Convert to fraction form
    1,245,763,176.60/1,868,405,616.45 = 372,393,037.20/x
  3. Step 3: Cross multiply
    1,245,763,176.60x = 1,868,405,616.45 × 372,393,037.20
  4. Step 4: Simplify right side
    1,245,763,176.60x = 695,781,242,231,353,728
  5. Step 5: Solve for x
    x = 695,781,242,231,353,728/1,245,763,176.60
  6. Step 6: Final answer
    x = 558,518,067.72

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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.