Home / 408,997,051.65-614,403,594.35-253,665,649.56

Finding the Fourth Proportional to 408,997,051.65, 614,403,594.35 and 253,665,649.56

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Solution

The fourth proportional to 408,997,051.65, 614,403,594.35 and 253,665,649.56 is: 381,061,639.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,997,051.65 : 614,403,594.35 = 253,665,649.56 : x
  2. Step 2: Convert to fraction form
    408,997,051.65/614,403,594.35 = 253,665,649.56/x
  3. Step 3: Cross multiply
    408,997,051.65x = 614,403,594.35 × 253,665,649.56
  4. Step 4: Simplify right side
    408,997,051.65x = 155,853,086,851,523,168
  5. Step 5: Solve for x
    x = 155,853,086,851,523,168/408,997,051.65
  6. Step 6: Final answer
    x = 381,061,639.01

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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.