Home / 554,716,449.81-765,521,089.20-316,556,891.82

Finding the Fourth Proportional to 554,716,449.81, 765,521,089.20 and 316,556,891.82

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Solution

The fourth proportional to 554,716,449.81, 765,521,089.20 and 316,556,891.82 is: 436,855,580.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,716,449.81 : 765,521,089.20 = 316,556,891.82 : x
  2. Step 2: Convert to fraction form
    554,716,449.81/765,521,089.20 = 316,556,891.82/x
  3. Step 3: Cross multiply
    554,716,449.81x = 765,521,089.20 × 316,556,891.82
  4. Step 4: Simplify right side
    554,716,449.81x = 242,330,976,619,812,992
  5. Step 5: Solve for x
    x = 242,330,976,619,812,992/554,716,449.81
  6. Step 6: Final answer
    x = 436,855,580.37

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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.