Home / 438,916,097.80-658,075,548.30-208,995,329.80

Finding the Fourth Proportional to 438,916,097.80, 658,075,548.30 and 208,995,329.80

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Solution

The fourth proportional to 438,916,097.80, 658,075,548.30 and 208,995,329.80 is: 313,350,813.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,916,097.80 : 658,075,548.30 = 208,995,329.80 : x
  2. Step 2: Convert to fraction form
    438,916,097.80/658,075,548.30 = 208,995,329.80/x
  3. Step 3: Cross multiply
    438,916,097.80x = 658,075,548.30 × 208,995,329.80
  4. Step 4: Simplify right side
    438,916,097.80x = 137,534,716,250,274,320
  5. Step 5: Solve for x
    x = 137,534,716,250,274,320/438,916,097.80
  6. Step 6: Final answer
    x = 313,350,813.38

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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.