Home / 1,278,154,552.48-1,763,836,036.48-713,648,129.28

Finding the Fourth Proportional to 1,278,154,552.48, 1,763,836,036.48 and 713,648,129.28

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Solution

The fourth proportional to 1,278,154,552.48, 1,763,836,036.48 and 713,648,129.28 is: 984,824,789.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,278,154,552.48 : 1,763,836,036.48 = 713,648,129.28 : x
  2. Step 2: Convert to fraction form
    1,278,154,552.48/1,763,836,036.48 = 713,648,129.28/x
  3. Step 3: Cross multiply
    1,278,154,552.48x = 1,763,836,036.48 × 713,648,129.28
  4. Step 4: Simplify right side
    1,278,154,552.48x = 1,258,758,287,790,601,728
  5. Step 5: Solve for x
    x = 1,258,758,287,790,601,728/1,278,154,552.48
  6. Step 6: Final answer
    x = 984,824,789.26

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.