Home / 732,803,965.20-1,099,205,947.80-388,430,197.20

Finding the Fourth Proportional to 732,803,965.20, 1,099,205,947.80 and 388,430,197.20

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Solution

The fourth proportional to 732,803,965.20, 1,099,205,947.80 and 388,430,197.20 is: 582,645,295.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    732,803,965.20 : 1,099,205,947.80 = 388,430,197.20 : x
  2. Step 2: Convert to fraction form
    732,803,965.20/1,099,205,947.80 = 388,430,197.20/x
  3. Step 3: Cross multiply
    732,803,965.20x = 1,099,205,947.80 × 388,430,197.20
  4. Step 4: Simplify right side
    732,803,965.20x = 426,964,783,067,366,848
  5. Step 5: Solve for x
    x = 426,964,783,067,366,848/732,803,965.20
  6. Step 6: Final answer
    x = 582,645,295.80

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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.