Home / 659,024,148.24-909,393,210.27-391,053,796.38

Finding the Fourth Proportional to 659,024,148.24, 909,393,210.27 and 391,053,796.38

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Solution

The fourth proportional to 659,024,148.24, 909,393,210.27 and 391,053,796.38 is: 539,618,568.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,024,148.24 : 909,393,210.27 = 391,053,796.38 : x
  2. Step 2: Convert to fraction form
    659,024,148.24/909,393,210.27 = 391,053,796.38/x
  3. Step 3: Cross multiply
    659,024,148.24x = 909,393,210.27 × 391,053,796.38
  4. Step 4: Simplify right side
    659,024,148.24x = 355,621,667,278,279,104
  5. Step 5: Solve for x
    x = 355,621,667,278,279,104/659,024,148.24
  6. Step 6: Final answer
    x = 539,618,568.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.