Home / 330,080,683.80-495,121,025.70-100,019,874.90

Finding the Fourth Proportional to 330,080,683.80, 495,121,025.70 and 100,019,874.90

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Solution

The fourth proportional to 330,080,683.80, 495,121,025.70 and 100,019,874.90 is: 150,029,812.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,080,683.80 : 495,121,025.70 = 100,019,874.90 : x
  2. Step 2: Convert to fraction form
    330,080,683.80/495,121,025.70 = 100,019,874.90/x
  3. Step 3: Cross multiply
    330,080,683.80x = 495,121,025.70 × 100,019,874.90
  4. Step 4: Simplify right side
    330,080,683.80x = 49,521,943,050,873,688
  5. Step 5: Solve for x
    x = 49,521,943,050,873,688/330,080,683.80
  6. Step 6: Final answer
    x = 150,029,812.35

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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.