Home / 485,048,208.40-727,678,600.80-239,522,466.40

Finding the Fourth Proportional to 485,048,208.40, 727,678,600.80 and 239,522,466.40

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Solution

The fourth proportional to 485,048,208.40, 727,678,600.80 and 239,522,466.40 is: 359,336,185.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,048,208.40 : 727,678,600.80 = 239,522,466.40 : x
  2. Step 2: Convert to fraction form
    485,048,208.40/727,678,600.80 = 239,522,466.40/x
  3. Step 3: Cross multiply
    485,048,208.40x = 727,678,600.80 × 239,522,466.40
  4. Step 4: Simplify right side
    485,048,208.40x = 174,295,373,210,116,992
  5. Step 5: Solve for x
    x = 174,295,373,210,116,992/485,048,208.40
  6. Step 6: Final answer
    x = 359,336,185.95

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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.