Home / 1,369,442,684.91-2,055,492,351.38-660,889,888.43

Finding the Fourth Proportional to 1,369,442,684.91, 2,055,492,351.38 and 660,889,888.43

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Solution

The fourth proportional to 1,369,442,684.91, 2,055,492,351.38 and 660,889,888.43 is: 991,975,878.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,369,442,684.91 : 2,055,492,351.38 = 660,889,888.43 : x
  2. Step 2: Convert to fraction form
    1,369,442,684.91/2,055,492,351.38 = 660,889,888.43/x
  3. Step 3: Cross multiply
    1,369,442,684.91x = 2,055,492,351.38 × 660,889,888.43
  4. Step 4: Simplify right side
    1,369,442,684.91x = 1,358,454,110,763,555,072
  5. Step 5: Solve for x
    x = 1,358,454,110,763,555,072/1,369,442,684.91
  6. Step 6: Final answer
    x = 991,975,878.75

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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.