Home / 334,413,998.90-501,620,998.35-218,187,852.20

Finding the Fourth Proportional to 334,413,998.90, 501,620,998.35 and 218,187,852.20

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Solution

The fourth proportional to 334,413,998.90, 501,620,998.35 and 218,187,852.20 is: 327,281,778.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,413,998.90 : 501,620,998.35 = 218,187,852.20 : x
  2. Step 2: Convert to fraction form
    334,413,998.90/501,620,998.35 = 218,187,852.20/x
  3. Step 3: Cross multiply
    334,413,998.90x = 501,620,998.35 × 218,187,852.20
  4. Step 4: Simplify right side
    334,413,998.90x = 109,447,608,248,406,240
  5. Step 5: Solve for x
    x = 109,447,608,248,406,240/334,413,998.90
  6. Step 6: Final answer
    x = 327,281,778.30

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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.