Home / 1,291,160,068.66-1,934,722,287.74-898,454,165.43

Finding the Fourth Proportional to 1,291,160,068.66, 1,934,722,287.74 and 898,454,165.43

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Solution

The fourth proportional to 1,291,160,068.66, 1,934,722,287.74 and 898,454,165.43 is: 1,346,277,150.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,291,160,068.66 : 1,934,722,287.74 = 898,454,165.43 : x
  2. Step 2: Convert to fraction form
    1,291,160,068.66/1,934,722,287.74 = 898,454,165.43/x
  3. Step 3: Cross multiply
    1,291,160,068.66x = 1,934,722,287.74 × 898,454,165.43
  4. Step 4: Simplify right side
    1,291,160,068.66x = 1,738,259,298,379,763,456
  5. Step 5: Solve for x
    x = 1,738,259,298,379,763,456/1,291,160,068.66
  6. Step 6: Final answer
    x = 1,346,277,150.73

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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.