Home / 284,628,304.86-392,787,396.75-154,248,112.86

Finding the Fourth Proportional to 284,628,304.86, 392,787,396.75 and 154,248,112.86

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Solution

The fourth proportional to 284,628,304.86, 392,787,396.75 and 154,248,112.86 is: 212,862,577.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,628,304.86 : 392,787,396.75 = 154,248,112.86 : x
  2. Step 2: Convert to fraction form
    284,628,304.86/392,787,396.75 = 154,248,112.86/x
  3. Step 3: Cross multiply
    284,628,304.86x = 392,787,396.75 × 154,248,112.86
  4. Step 4: Simplify right side
    284,628,304.86x = 60,586,714,703,879,600
  5. Step 5: Solve for x
    x = 60,586,714,703,879,600/284,628,304.86
  6. Step 6: Final answer
    x = 212,862,577.86

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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.