Home / 1,369,442,691.51-2,055,492,361.32-660,889,895.05

Finding the Fourth Proportional to 1,369,442,691.51, 2,055,492,361.32 and 660,889,895.05

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Solution

The fourth proportional to 1,369,442,691.51, 2,055,492,361.32 and 660,889,895.05 is: 991,975,888.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,369,442,691.51 : 2,055,492,361.32 = 660,889,895.05 : x
  2. Step 2: Convert to fraction form
    1,369,442,691.51/2,055,492,361.32 = 660,889,895.05/x
  3. Step 3: Cross multiply
    1,369,442,691.51x = 2,055,492,361.32 × 660,889,895.05
  4. Step 4: Simplify right side
    1,369,442,691.51x = 1,358,454,130,948,851,456
  5. Step 5: Solve for x
    x = 1,358,454,130,948,851,456/1,369,442,691.51
  6. Step 6: Final answer
    x = 991,975,888.71

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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.