Home / 1,328,366,359,940.10-1,992,549,539,910.20-612,068,922,500.10

Finding the Fourth Proportional to 1,328,366,359,940.10, 1,992,549,539,910.20 and 612,068,922,500.10

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Solution

The fourth proportional to 1,328,366,359,940.10, 1,992,549,539,910.20 and 612,068,922,500.10 is: 918,103,383,750.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,366,359,940.10 : 1,992,549,539,910.20 = 612,068,922,500.10 : x
  2. Step 2: Convert to fraction form
    1,328,366,359,940.10/1,992,549,539,910.20 = 612,068,922,500.10/x
  3. Step 3: Cross multiply
    1,328,366,359,940.10x = 1,992,549,539,910.20 × 612,068,922,500.10
  4. Step 4: Simplify right side
    1,328,366,359,940.10x = 1,219,577,649,920,906,092,347,392
  5. Step 5: Solve for x
    x = 1,219,577,649,920,906,092,347,392/1,328,366,359,940.10
  6. Step 6: Final answer
    x = 918,103,383,750.17

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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.