Home / 398,576,166.80-597,864,250.20-111,361,830.80

Finding the Fourth Proportional to 398,576,166.80, 597,864,250.20 and 111,361,830.80

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Solution

The fourth proportional to 398,576,166.80, 597,864,250.20 and 111,361,830.80 is: 167,042,746.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,576,166.80 : 597,864,250.20 = 111,361,830.80 : x
  2. Step 2: Convert to fraction form
    398,576,166.80/597,864,250.20 = 111,361,830.80/x
  3. Step 3: Cross multiply
    398,576,166.80x = 597,864,250.20 × 111,361,830.80
  4. Step 4: Simplify right side
    398,576,166.80x = 66,579,257,472,141,272
  5. Step 5: Solve for x
    x = 66,579,257,472,141,272/398,576,166.80
  6. Step 6: Final answer
    x = 167,042,746.20

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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.