Home / 368,428,781.80-552,643,172.70-338,296,077.10

Finding the Fourth Proportional to 368,428,781.80, 552,643,172.70 and 338,296,077.10

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Solution

The fourth proportional to 368,428,781.80, 552,643,172.70 and 338,296,077.10 is: 507,444,115.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,428,781.80 : 552,643,172.70 = 338,296,077.10 : x
  2. Step 2: Convert to fraction form
    368,428,781.80/552,643,172.70 = 338,296,077.10/x
  3. Step 3: Cross multiply
    368,428,781.80x = 552,643,172.70 × 338,296,077.10
  4. Step 4: Simplify right side
    368,428,781.80x = 186,957,017,360,507,840
  5. Step 5: Solve for x
    x = 186,957,017,360,507,840/368,428,781.80
  6. Step 6: Final answer
    x = 507,444,115.65

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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.