Home / 1,448,221,431.20-2,172,332,146.80-357,704,499.20

Finding the Fourth Proportional to 1,448,221,431.20, 2,172,332,146.80 and 357,704,499.20

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Solution

The fourth proportional to 1,448,221,431.20, 2,172,332,146.80 and 357,704,499.20 is: 536,556,748.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,448,221,431.20 : 2,172,332,146.80 = 357,704,499.20 : x
  2. Step 2: Convert to fraction form
    1,448,221,431.20/2,172,332,146.80 = 357,704,499.20/x
  3. Step 3: Cross multiply
    1,448,221,431.20x = 2,172,332,146.80 × 357,704,499.20
  4. Step 4: Simplify right side
    1,448,221,431.20x = 777,052,982,667,154,944
  5. Step 5: Solve for x
    x = 777,052,982,667,154,944/1,448,221,431.20
  6. Step 6: Final answer
    x = 536,556,748.80

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1.5x scale

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.