Home / 366,912,513.10-550,368,769.65-338,852,428.30

Finding the Fourth Proportional to 366,912,513.10, 550,368,769.65 and 338,852,428.30

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Solution

The fourth proportional to 366,912,513.10, 550,368,769.65 and 338,852,428.30 is: 508,278,642.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,912,513.10 : 550,368,769.65 = 338,852,428.30 : x
  2. Step 2: Convert to fraction form
    366,912,513.10/550,368,769.65 = 338,852,428.30/x
  3. Step 3: Cross multiply
    366,912,513.10x = 550,368,769.65 × 338,852,428.30
  4. Step 4: Simplify right side
    366,912,513.10x = 186,493,794,056,385,824
  5. Step 5: Solve for x
    x = 186,493,794,056,385,824/366,912,513.10
  6. Step 6: Final answer
    x = 508,278,642.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.