Home / 659,680,873.20-988,891,453.80-245,046,668.40

Finding the Fourth Proportional to 659,680,873.20, 988,891,453.80 and 245,046,668.40

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Solution

The fourth proportional to 659,680,873.20, 988,891,453.80 and 245,046,668.40 is: 367,336,034.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,680,873.20 : 988,891,453.80 = 245,046,668.40 : x
  2. Step 2: Convert to fraction form
    659,680,873.20/988,891,453.80 = 245,046,668.40/x
  3. Step 3: Cross multiply
    659,680,873.20x = 988,891,453.80 × 245,046,668.40
  4. Step 4: Simplify right side
    659,680,873.20x = 242,324,556,162,922,528
  5. Step 5: Solve for x
    x = 242,324,556,162,922,528/659,680,873.20
  6. Step 6: Final answer
    x = 367,336,034.75

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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.