Home / 545,350,728.32-818,042,888.64-238,484,885.12

Finding the Fourth Proportional to 545,350,728.32, 818,042,888.64 and 238,484,885.12

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Solution

The fourth proportional to 545,350,728.32, 818,042,888.64 and 238,484,885.12 is: 357,734,672.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,350,728.32 : 818,042,888.64 = 238,484,885.12 : x
  2. Step 2: Convert to fraction form
    545,350,728.32/818,042,888.64 = 238,484,885.12/x
  3. Step 3: Cross multiply
    545,350,728.32x = 818,042,888.64 × 238,484,885.12
  4. Step 4: Simplify right side
    545,350,728.32x = 195,090,864,320,543,360
  5. Step 5: Solve for x
    x = 195,090,864,320,543,360/545,350,728.32
  6. Step 6: Final answer
    x = 357,734,672.73

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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.