Home / 326,754,620.40-490,131,930.60-301,812,322.80

Finding the Fourth Proportional to 326,754,620.40, 490,131,930.60 and 301,812,322.80

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Solution

The fourth proportional to 326,754,620.40, 490,131,930.60 and 301,812,322.80 is: 452,718,484.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,754,620.40 : 490,131,930.60 = 301,812,322.80 : x
  2. Step 2: Convert to fraction form
    326,754,620.40/490,131,930.60 = 301,812,322.80/x
  3. Step 3: Cross multiply
    326,754,620.40x = 490,131,930.60 × 301,812,322.80
  4. Step 4: Simplify right side
    326,754,620.40x = 147,927,856,452,834,400
  5. Step 5: Solve for x
    x = 147,927,856,452,834,400/326,754,620.40
  6. Step 6: Final answer
    x = 452,718,484.20

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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.