Home / 545,912,672.20-818,869,008.30-303,575,576.20

Finding the Fourth Proportional to 545,912,672.20, 818,869,008.30 and 303,575,576.20

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Solution

The fourth proportional to 545,912,672.20, 818,869,008.30 and 303,575,576.20 is: 455,363,364.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,912,672.20 : 818,869,008.30 = 303,575,576.20 : x
  2. Step 2: Convert to fraction form
    545,912,672.20/818,869,008.30 = 303,575,576.20/x
  3. Step 3: Cross multiply
    545,912,672.20x = 818,869,008.30 × 303,575,576.20
  4. Step 4: Simplify right side
    545,912,672.20x = 248,588,631,026,995,072
  5. Step 5: Solve for x
    x = 248,588,631,026,995,072/545,912,672.20
  6. Step 6: Final answer
    x = 455,363,364.30

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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.