Home / 185,884,281,950.40-278,895,297,679.20-74,169,431,611.20

Finding the Fourth Proportional to 185,884,281,950.40, 278,895,297,679.20 and 74,169,431,611.20

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Solution

The fourth proportional to 185,884,281,950.40, 278,895,297,679.20 and 74,169,431,611.20 is: 111,281,629,037.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,884,281,950.40 : 278,895,297,679.20 = 74,169,431,611.20 : x
  2. Step 2: Convert to fraction form
    185,884,281,950.40/278,895,297,679.20 = 74,169,431,611.20/x
  3. Step 3: Cross multiply
    185,884,281,950.40x = 278,895,297,679.20 × 74,169,431,611.20
  4. Step 4: Simplify right side
    185,884,281,950.40x = 20,685,505,707,902,689,607,680
  5. Step 5: Solve for x
    x = 20,685,505,707,902,689,607,680/185,884,281,950.40
  6. Step 6: Final answer
    x = 111,281,629,037.48

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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.