Home / 344,132,743.20-516,199,114.80-315,467,296.80

Finding the Fourth Proportional to 344,132,743.20, 516,199,114.80 and 315,467,296.80

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Solution

The fourth proportional to 344,132,743.20, 516,199,114.80 and 315,467,296.80 is: 473,200,945.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,132,743.20 : 516,199,114.80 = 315,467,296.80 : x
  2. Step 2: Convert to fraction form
    344,132,743.20/516,199,114.80 = 315,467,296.80/x
  3. Step 3: Cross multiply
    344,132,743.20x = 516,199,114.80 × 315,467,296.80
  4. Step 4: Simplify right side
    344,132,743.20x = 162,843,939,356,508,896
  5. Step 5: Solve for x
    x = 162,843,939,356,508,896/344,132,743.20
  6. Step 6: Final answer
    x = 473,200,945.20

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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.