Home / 366,912,070.10-550,368,105.15-338,851,985.30

Finding the Fourth Proportional to 366,912,070.10, 550,368,105.15 and 338,851,985.30

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Solution

The fourth proportional to 366,912,070.10, 550,368,105.15 and 338,851,985.30 is: 508,277,977.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,912,070.10 : 550,368,105.15 = 338,851,985.30 : x
  2. Step 2: Convert to fraction form
    366,912,070.10/550,368,105.15 = 338,851,985.30/x
  3. Step 3: Cross multiply
    366,912,070.10x = 550,368,105.15 × 338,851,985.30
  4. Step 4: Simplify right side
    366,912,070.10x = 186,493,325,075,876,640
  5. Step 5: Solve for x
    x = 186,493,325,075,876,640/366,912,070.10
  6. Step 6: Final answer
    x = 508,277,977.95

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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.