Home / 413,075,308.60-618,951,614.10-218,733,239.80

Finding the Fourth Proportional to 413,075,308.60, 618,951,614.10 and 218,733,239.80

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Solution

The fourth proportional to 413,075,308.60, 618,951,614.10 and 218,733,239.80 is: 327,749,659.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,075,308.60 : 618,951,614.10 = 218,733,239.80 : x
  2. Step 2: Convert to fraction form
    413,075,308.60/618,951,614.10 = 218,733,239.80/x
  3. Step 3: Cross multiply
    413,075,308.60x = 618,951,614.10 × 218,733,239.80
  4. Step 4: Simplify right side
    413,075,308.60x = 135,385,291,831,532,368
  5. Step 5: Solve for x
    x = 135,385,291,831,532,368/413,075,308.60
  6. Step 6: Final answer
    x = 327,749,659.72

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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.