Home / 1,025,629,008.80-1,538,443,513.20-298,641,437.60

Finding the Fourth Proportional to 1,025,629,008.80, 1,538,443,513.20 and 298,641,437.60

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Solution

The fourth proportional to 1,025,629,008.80, 1,538,443,513.20 and 298,641,437.60 is: 447,962,156.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,025,629,008.80 : 1,538,443,513.20 = 298,641,437.60 : x
  2. Step 2: Convert to fraction form
    1,025,629,008.80/1,538,443,513.20 = 298,641,437.60/x
  3. Step 3: Cross multiply
    1,025,629,008.80x = 1,538,443,513.20 × 298,641,437.60
  4. Step 4: Simplify right side
    1,025,629,008.80x = 459,442,982,448,442,624
  5. Step 5: Solve for x
    x = 459,442,982,448,442,624/1,025,629,008.80
  6. Step 6: Final answer
    x = 447,962,156.40

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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.