Home / 518,956,888,036.43-716,160,256,399.89-310,383,807,018.10

Finding the Fourth Proportional to 518,956,888,036.43, 716,160,256,399.89 and 310,383,807,018.10

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Solution

The fourth proportional to 518,956,888,036.43, 716,160,256,399.89 and 310,383,807,018.10 is: 428,329,504,706.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,956,888,036.43 : 716,160,256,399.89 = 310,383,807,018.10 : x
  2. Step 2: Convert to fraction form
    518,956,888,036.43/716,160,256,399.89 = 310,383,807,018.10/x
  3. Step 3: Cross multiply
    518,956,888,036.43x = 716,160,256,399.89 × 310,383,807,018.10
  4. Step 4: Simplify right side
    518,956,888,036.43x = 222,284,546,816,456,454,569,984
  5. Step 5: Solve for x
    x = 222,284,546,816,456,454,569,984/518,956,888,036.43
  6. Step 6: Final answer
    x = 428,329,504,706.09

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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.