Home / 1,326,291,229.60-1,989,436,844.40-1,245,603,306.40

Finding the Fourth Proportional to 1,326,291,229.60, 1,989,436,844.40 and 1,245,603,306.40

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Solution

The fourth proportional to 1,326,291,229.60, 1,989,436,844.40 and 1,245,603,306.40 is: 1,868,404,959.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,326,291,229.60 : 1,989,436,844.40 = 1,245,603,306.40 : x
  2. Step 2: Convert to fraction form
    1,326,291,229.60/1,989,436,844.40 = 1,245,603,306.40/x
  3. Step 3: Cross multiply
    1,326,291,229.60x = 1,989,436,844.40 × 1,245,603,306.40
  4. Step 4: Simplify right side
    1,326,291,229.60x = 2,478,049,111,258,622,464
  5. Step 5: Solve for x
    x = 2,478,049,111,258,622,464/1,326,291,229.60
  6. Step 6: Final answer
    x = 1,868,404,959.60

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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.