Home / 366,912,075.10-550,368,112.65-338,851,990.30

Finding the Fourth Proportional to 366,912,075.10, 550,368,112.65 and 338,851,990.30

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Solution

The fourth proportional to 366,912,075.10, 550,368,112.65 and 338,851,990.30 is: 508,277,985.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,912,075.10 : 550,368,112.65 = 338,851,990.30 : x
  2. Step 2: Convert to fraction form
    366,912,075.10/550,368,112.65 = 338,851,990.30/x
  3. Step 3: Cross multiply
    366,912,075.10x = 550,368,112.65 × 338,851,990.30
  4. Step 4: Simplify right side
    366,912,075.10x = 186,493,330,369,107,104
  5. Step 5: Solve for x
    x = 186,493,330,369,107,104/366,912,075.10
  6. Step 6: Final answer
    x = 508,277,985.45

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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.