Home / 1,231,596,684.57-1,699,589,894.03-667,067,521.53

Finding the Fourth Proportional to 1,231,596,684.57, 1,699,589,894.03 and 667,067,521.53

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Solution

The fourth proportional to 1,231,596,684.57, 1,699,589,894.03 and 667,067,521.53 is: 920,545,851.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231,596,684.57 : 1,699,589,894.03 = 667,067,521.53 : x
  2. Step 2: Convert to fraction form
    1,231,596,684.57/1,699,589,894.03 = 667,067,521.53/x
  3. Step 3: Cross multiply
    1,231,596,684.57x = 1,699,589,894.03 × 667,067,521.53
  4. Step 4: Simplify right side
    1,231,596,684.57x = 1,133,741,218,237,402,752
  5. Step 5: Solve for x
    x = 1,133,741,218,237,402,752/1,231,596,684.57
  6. Step 6: Final answer
    x = 920,545,851.12

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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.