Home / 307,152,331.20-460,728,496.80-198,313,214.40

Finding the Fourth Proportional to 307,152,331.20, 460,728,496.80 and 198,313,214.40

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Solution

The fourth proportional to 307,152,331.20, 460,728,496.80 and 198,313,214.40 is: 297,469,821.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,152,331.20 : 460,728,496.80 = 198,313,214.40 : x
  2. Step 2: Convert to fraction form
    307,152,331.20/460,728,496.80 = 198,313,214.40/x
  3. Step 3: Cross multiply
    307,152,331.20x = 460,728,496.80 × 198,313,214.40
  4. Step 4: Simplify right side
    307,152,331.20x = 91,368,549,166,088,112
  5. Step 5: Solve for x
    x = 91,368,549,166,088,112/307,152,331.20
  6. Step 6: Final answer
    x = 297,469,821.60

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1.5x scale

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.