Home / 408,980,046.20-613,470,069.30-236,368,009.40

Finding the Fourth Proportional to 408,980,046.20, 613,470,069.30 and 236,368,009.40

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Solution

The fourth proportional to 408,980,046.20, 613,470,069.30 and 236,368,009.40 is: 354,552,014.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,980,046.20 : 613,470,069.30 = 236,368,009.40 : x
  2. Step 2: Convert to fraction form
    408,980,046.20/613,470,069.30 = 236,368,009.40/x
  3. Step 3: Cross multiply
    408,980,046.20x = 613,470,069.30 × 236,368,009.40
  4. Step 4: Simplify right side
    408,980,046.20x = 145,004,699,106,921,056
  5. Step 5: Solve for x
    x = 145,004,699,106,921,056/408,980,046.20
  6. Step 6: Final answer
    x = 354,552,014.10

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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.