Home / 2,155,288,529.20-3,232,932,793.80-1,234,407,564.40

Finding the Fourth Proportional to 2,155,288,529.20, 3,232,932,793.80 and 1,234,407,564.40

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Solution

The fourth proportional to 2,155,288,529.20, 3,232,932,793.80 and 1,234,407,564.40 is: 1,851,611,346.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,155,288,529.20 : 3,232,932,793.80 = 1,234,407,564.40 : x
  2. Step 2: Convert to fraction form
    2,155,288,529.20/3,232,932,793.80 = 1,234,407,564.40/x
  3. Step 3: Cross multiply
    2,155,288,529.20x = 3,232,932,793.80 × 1,234,407,564.40
  4. Step 4: Simplify right side
    2,155,288,529.20x = 3,990,756,695,863,545,856
  5. Step 5: Solve for x
    x = 3,990,756,695,863,545,856/2,155,288,529.20
  6. Step 6: Final answer
    x = 1,851,611,346.60

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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.