Home / 398,612,440.80-597,918,661.20-183,621,592.80

Finding the Fourth Proportional to 398,612,440.80, 597,918,661.20 and 183,621,592.80

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Solution

The fourth proportional to 398,612,440.80, 597,918,661.20 and 183,621,592.80 is: 275,432,389.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,612,440.80 : 597,918,661.20 = 183,621,592.80 : x
  2. Step 2: Convert to fraction form
    398,612,440.80/597,918,661.20 = 183,621,592.80/x
  3. Step 3: Cross multiply
    398,612,440.80x = 597,918,661.20 × 183,621,592.80
  4. Step 4: Simplify right side
    398,612,440.80x = 109,790,776,934,387,568
  5. Step 5: Solve for x
    x = 109,790,776,934,387,568/398,612,440.80
  6. Step 6: Final answer
    x = 275,432,389.20

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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.