Home / 1,119,987,833.22-1,545,352,464.51-643,586,184.18

Finding the Fourth Proportional to 1,119,987,833.22, 1,545,352,464.51 and 643,586,184.18

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Solution

The fourth proportional to 1,119,987,833.22, 1,545,352,464.51 and 643,586,184.18 is: 888,016,339.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,987,833.22 : 1,545,352,464.51 = 643,586,184.18 : x
  2. Step 2: Convert to fraction form
    1,119,987,833.22/1,545,352,464.51 = 643,586,184.18/x
  3. Step 3: Cross multiply
    1,119,987,833.22x = 1,545,352,464.51 × 643,586,184.18
  4. Step 4: Simplify right side
    1,119,987,833.22x = 994,567,495,847,149,696
  5. Step 5: Solve for x
    x = 994,567,495,847,149,696/1,119,987,833.22
  6. Step 6: Final answer
    x = 888,016,339.42

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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.