Home / 388,010,762.40-582,016,143.60-365,052,511.20

Finding the Fourth Proportional to 388,010,762.40, 582,016,143.60 and 365,052,511.20

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Solution

The fourth proportional to 388,010,762.40, 582,016,143.60 and 365,052,511.20 is: 547,578,766.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,010,762.40 : 582,016,143.60 = 365,052,511.20 : x
  2. Step 2: Convert to fraction form
    388,010,762.40/582,016,143.60 = 365,052,511.20/x
  3. Step 3: Cross multiply
    388,010,762.40x = 582,016,143.60 × 365,052,511.20
  4. Step 4: Simplify right side
    388,010,762.40x = 212,466,454,780,119,808
  5. Step 5: Solve for x
    x = 212,466,454,780,119,808/388,010,762.40
  6. Step 6: Final answer
    x = 547,578,766.80

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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.