Home / 403,100,708.80-604,651,063.20-322,479,140.80

Finding the Fourth Proportional to 403,100,708.80, 604,651,063.20 and 322,479,140.80

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Solution

The fourth proportional to 403,100,708.80, 604,651,063.20 and 322,479,140.80 is: 483,718,711.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,100,708.80 : 604,651,063.20 = 322,479,140.80 : x
  2. Step 2: Convert to fraction form
    403,100,708.80/604,651,063.20 = 322,479,140.80/x
  3. Step 3: Cross multiply
    403,100,708.80x = 604,651,063.20 × 322,479,140.80
  4. Step 4: Simplify right side
    403,100,708.80x = 194,987,355,344,542,528
  5. Step 5: Solve for x
    x = 194,987,355,344,542,528/403,100,708.80
  6. Step 6: Final answer
    x = 483,718,711.20

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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.