Home / 307,152,317.70-460,728,476.55-198,313,200.90

Finding the Fourth Proportional to 307,152,317.70, 460,728,476.55 and 198,313,200.90

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Solution

The fourth proportional to 307,152,317.70, 460,728,476.55 and 198,313,200.90 is: 297,469,801.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,152,317.70 : 460,728,476.55 = 198,313,200.90 : x
  2. Step 2: Convert to fraction form
    307,152,317.70/460,728,476.55 = 198,313,200.90/x
  3. Step 3: Cross multiply
    307,152,317.70x = 460,728,476.55 × 198,313,200.90
  4. Step 4: Simplify right side
    307,152,317.70x = 91,368,538,930,411,088
  5. Step 5: Solve for x
    x = 91,368,538,930,411,088/307,152,317.70
  6. Step 6: Final answer
    x = 297,469,801.35

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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.