Home / 379,154,298.28-523,232,804.12-205,314,042.28

Finding the Fourth Proportional to 379,154,298.28, 523,232,804.12 and 205,314,042.28

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Solution

The fourth proportional to 379,154,298.28, 523,232,804.12 and 205,314,042.28 is: 283,333,309.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,154,298.28 : 523,232,804.12 = 205,314,042.28 : x
  2. Step 2: Convert to fraction form
    379,154,298.28/523,232,804.12 = 205,314,042.28/x
  3. Step 3: Cross multiply
    379,154,298.28x = 523,232,804.12 × 205,314,042.28
  4. Step 4: Simplify right side
    379,154,298.28x = 107,427,042,067,376,640
  5. Step 5: Solve for x
    x = 107,427,042,067,376,640/379,154,298.28
  6. Step 6: Final answer
    x = 283,333,309.30

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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.