Home / 493,981,908.60-740,442,021.30-187,155,463.80

Finding the Fourth Proportional to 493,981,908.60, 740,442,021.30 and 187,155,463.80

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Solution

The fourth proportional to 493,981,908.60, 740,442,021.30 and 187,155,463.80 is: 280,532,075.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,981,908.60 : 740,442,021.30 = 187,155,463.80 : x
  2. Step 2: Convert to fraction form
    493,981,908.60/740,442,021.30 = 187,155,463.80/x
  3. Step 3: Cross multiply
    493,981,908.60x = 740,442,021.30 × 187,155,463.80
  4. Step 4: Simplify right side
    493,981,908.60x = 138,577,769,913,410,976
  5. Step 5: Solve for x
    x = 138,577,769,913,410,976/493,981,908.60
  6. Step 6: Final answer
    x = 280,532,075.16

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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.