Home / 388,461,330.60-582,691,995.90-370,545,426.60

Finding the Fourth Proportional to 388,461,330.60, 582,691,995.90 and 370,545,426.60

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Solution

The fourth proportional to 388,461,330.60, 582,691,995.90 and 370,545,426.60 is: 555,818,139.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,461,330.60 : 582,691,995.90 = 370,545,426.60 : x
  2. Step 2: Convert to fraction form
    388,461,330.60/582,691,995.90 = 370,545,426.60/x
  3. Step 3: Cross multiply
    388,461,330.60x = 582,691,995.90 × 370,545,426.60
  4. Step 4: Simplify right side
    388,461,330.60x = 215,913,854,197,170,944
  5. Step 5: Solve for x
    x = 215,913,854,197,170,944/388,461,330.60
  6. Step 6: Final answer
    x = 555,818,139.90

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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.