Home / 388,459,233.60-582,688,850.40-356,714,491.20

Finding the Fourth Proportional to 388,459,233.60, 582,688,850.40 and 356,714,491.20

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Solution

The fourth proportional to 388,459,233.60, 582,688,850.40 and 356,714,491.20 is: 535,071,736.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,459,233.60 : 582,688,850.40 = 356,714,491.20 : x
  2. Step 2: Convert to fraction form
    388,459,233.60/582,688,850.40 = 356,714,491.20/x
  3. Step 3: Cross multiply
    388,459,233.60x = 582,688,850.40 × 356,714,491.20
  4. Step 4: Simplify right side
    388,459,233.60x = 207,853,556,798,348,896
  5. Step 5: Solve for x
    x = 207,853,556,798,348,896/388,459,233.60
  6. Step 6: Final answer
    x = 535,071,736.80

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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.