Home / 398,612,620.80-597,918,931.20-183,621,772.80

Finding the Fourth Proportional to 398,612,620.80, 597,918,931.20 and 183,621,772.80

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Solution

The fourth proportional to 398,612,620.80, 597,918,931.20 and 183,621,772.80 is: 275,432,659.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,612,620.80 : 597,918,931.20 = 183,621,772.80 : x
  2. Step 2: Convert to fraction form
    398,612,620.80/597,918,931.20 = 183,621,772.80/x
  3. Step 3: Cross multiply
    398,612,620.80x = 597,918,931.20 × 183,621,772.80
  4. Step 4: Simplify right side
    398,612,620.80x = 109,790,934,137,625,248
  5. Step 5: Solve for x
    x = 109,790,934,137,625,248/398,612,620.80
  6. Step 6: Final answer
    x = 275,432,659.20

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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.