Home / 388,043,670.60-582,065,505.90-352,330,835.40

Finding the Fourth Proportional to 388,043,670.60, 582,065,505.90 and 352,330,835.40

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Solution

The fourth proportional to 388,043,670.60, 582,065,505.90 and 352,330,835.40 is: 528,496,253.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,043,670.60 : 582,065,505.90 = 352,330,835.40 : x
  2. Step 2: Convert to fraction form
    388,043,670.60/582,065,505.90 = 352,330,835.40/x
  3. Step 3: Cross multiply
    388,043,670.60x = 582,065,505.90 × 352,330,835.40
  4. Step 4: Simplify right side
    388,043,670.60x = 205,079,625,951,270,592
  5. Step 5: Solve for x
    x = 205,079,625,951,270,592/388,043,670.60
  6. Step 6: Final answer
    x = 528,496,253.10

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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.