Home / 356,976,016.40-535,464,024.60-193,150,470.80

Finding the Fourth Proportional to 356,976,016.40, 535,464,024.60 and 193,150,470.80

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Solution

The fourth proportional to 356,976,016.40, 535,464,024.60 and 193,150,470.80 is: 289,725,706.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,976,016.40 : 535,464,024.60 = 193,150,470.80 : x
  2. Step 2: Convert to fraction form
    356,976,016.40/535,464,024.60 = 193,150,470.80/x
  3. Step 3: Cross multiply
    356,976,016.40x = 535,464,024.60 × 193,150,470.80
  4. Step 4: Simplify right side
    356,976,016.40x = 103,425,128,447,952,800
  5. Step 5: Solve for x
    x = 103,425,128,447,952,800/356,976,016.40
  6. Step 6: Final answer
    x = 289,725,706.20

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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.