Home / 554,716,399.25-765,521,022.80-316,556,842.95

Finding the Fourth Proportional to 554,716,399.25, 765,521,022.80 and 316,556,842.95

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Solution

The fourth proportional to 554,716,399.25, 765,521,022.80 and 316,556,842.95 is: 436,855,514.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,716,399.25 : 765,521,022.80 = 316,556,842.95 : x
  2. Step 2: Convert to fraction form
    554,716,399.25/765,521,022.80 = 316,556,842.95/x
  3. Step 3: Cross multiply
    554,716,399.25x = 765,521,022.80 × 316,556,842.95
  4. Step 4: Simplify right side
    554,716,399.25x = 242,330,918,187,840,160
  5. Step 5: Solve for x
    x = 242,330,918,187,840,160/554,716,399.25
  6. Step 6: Final answer
    x = 436,855,514.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.