Home / 388,375,079.02-582,792,459.03-142,904,095.22

Finding the Fourth Proportional to 388,375,079.02, 582,792,459.03 and 142,904,095.22

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Solution

The fourth proportional to 388,375,079.02, 582,792,459.03 and 142,904,095.22 is: 214,440,713.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,375,079.02 : 582,792,459.03 = 142,904,095.22 : x
  2. Step 2: Convert to fraction form
    388,375,079.02/582,792,459.03 = 142,904,095.22/x
  3. Step 3: Cross multiply
    388,375,079.02x = 582,792,459.03 × 142,904,095.22
  4. Step 4: Simplify right side
    388,375,079.02x = 83,283,429,060,178,048
  5. Step 5: Solve for x
    x = 83,283,429,060,178,048/388,375,079.02
  6. Step 6: Final answer
    x = 214,440,713.53

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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.