Home / 30,395,882,417.68-45,584,644,144.46-9,142,689,118.55

Finding the Fourth Proportional to 30,395,882,417.68, 45,584,644,144.46 and 9,142,689,118.55

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Solution

The fourth proportional to 30,395,882,417.68, 45,584,644,144.46 and 9,142,689,118.55 is: 13,711,272,608.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,395,882,417.68 : 45,584,644,144.46 = 9,142,689,118.55 : x
  2. Step 2: Convert to fraction form
    30,395,882,417.68/45,584,644,144.46 = 9,142,689,118.55/x
  3. Step 3: Cross multiply
    30,395,882,417.68x = 45,584,644,144.46 × 9,142,689,118.55
  4. Step 4: Simplify right side
    30,395,882,417.68x = 416,766,229,992,482,668,544
  5. Step 5: Solve for x
    x = 416,766,229,992,482,668,544/30,395,882,417.68
  6. Step 6: Final answer
    x = 13,711,272,608.10

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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.