Home / 996,432,205.20-1,494,648,307.80-720,933,190.80

Finding the Fourth Proportional to 996,432,205.20, 1,494,648,307.80 and 720,933,190.80

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Solution

The fourth proportional to 996,432,205.20, 1,494,648,307.80 and 720,933,190.80 is: 1,081,399,786.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,432,205.20 : 1,494,648,307.80 = 720,933,190.80 : x
  2. Step 2: Convert to fraction form
    996,432,205.20/1,494,648,307.80 = 720,933,190.80/x
  3. Step 3: Cross multiply
    996,432,205.20x = 1,494,648,307.80 × 720,933,190.80
  4. Step 4: Simplify right side
    996,432,205.20x = 1,077,541,573,666,074,368
  5. Step 5: Solve for x
    x = 1,077,541,573,666,074,368/996,432,205.20
  6. Step 6: Final answer
    x = 1,081,399,786.20

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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.