Home / 716,238,205.83-1,074,357,239.49-198,668,668.86

Finding the Fourth Proportional to 716,238,205.83, 1,074,357,239.49 and 198,668,668.86

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Solution

The fourth proportional to 716,238,205.83, 1,074,357,239.49 and 198,668,668.86 is: 298,002,984.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,238,205.83 : 1,074,357,239.49 = 198,668,668.86 : x
  2. Step 2: Convert to fraction form
    716,238,205.83/1,074,357,239.49 = 198,668,668.86/x
  3. Step 3: Cross multiply
    716,238,205.83x = 1,074,357,239.49 × 198,668,668.86
  4. Step 4: Simplify right side
    716,238,205.83x = 213,441,122,649,582,528
  5. Step 5: Solve for x
    x = 213,441,122,649,582,528/716,238,205.83
  6. Step 6: Final answer
    x = 298,002,984.08

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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.