Home / 282,203,459,915.04-389,179,182,721.68-205,959,105,580.32

Finding the Fourth Proportional to 282,203,459,915.04, 389,179,182,721.68 and 205,959,105,580.32

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Solution

The fourth proportional to 282,203,459,915.04, 389,179,182,721.68 and 205,959,105,580.32 is: 284,032,649,379.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,203,459,915.04 : 389,179,182,721.68 = 205,959,105,580.32 : x
  2. Step 2: Convert to fraction form
    282,203,459,915.04/389,179,182,721.68 = 205,959,105,580.32/x
  3. Step 3: Cross multiply
    282,203,459,915.04x = 389,179,182,721.68 × 205,959,105,580.32
  4. Step 4: Simplify right side
    282,203,459,915.04x = 80,154,996,383,837,142,908,928
  5. Step 5: Solve for x
    x = 80,154,996,383,837,142,908,928/282,203,459,915.04
  6. Step 6: Final answer
    x = 284,032,649,379.88

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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.