Home / 284,628,304.36-392,787,395.94-154,248,112.36

Finding the Fourth Proportional to 284,628,304.36, 392,787,395.94 and 154,248,112.36

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Solution

The fourth proportional to 284,628,304.36, 392,787,395.94 and 154,248,112.36 is: 212,862,577.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,628,304.36 : 392,787,395.94 = 154,248,112.36 : x
  2. Step 2: Convert to fraction form
    284,628,304.36/392,787,395.94 = 154,248,112.36/x
  3. Step 3: Cross multiply
    284,628,304.36x = 392,787,395.94 × 154,248,112.36
  4. Step 4: Simplify right side
    284,628,304.36x = 60,586,714,382,544,936
  5. Step 5: Solve for x
    x = 60,586,714,382,544,936/284,628,304.36
  6. Step 6: Final answer
    x = 212,862,577.10

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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.