Home / 1,291,862,661.48-1,934,959,120.47-1,067,996,802.51

Finding the Fourth Proportional to 1,291,862,661.48, 1,934,959,120.47 and 1,067,996,802.51

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Solution

The fourth proportional to 1,291,862,661.48, 1,934,959,120.47 and 1,067,996,802.51 is: 1,599,651,584.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,291,862,661.48 : 1,934,959,120.47 = 1,067,996,802.51 : x
  2. Step 2: Convert to fraction form
    1,291,862,661.48/1,934,959,120.47 = 1,067,996,802.51/x
  3. Step 3: Cross multiply
    1,291,862,661.48x = 1,934,959,120.47 × 1,067,996,802.51
  4. Step 4: Simplify right side
    1,291,862,661.48x = 2,066,530,153,649,521,920
  5. Step 5: Solve for x
    x = 2,066,530,153,649,521,920/1,291,862,661.48
  6. Step 6: Final answer
    x = 1,599,651,584.70

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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.