Home / 419,535,596.16-578,946,441.60-231,363,793.08

Finding the Fourth Proportional to 419,535,596.16, 578,946,441.60 and 231,363,793.08

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Solution

The fourth proportional to 419,535,596.16, 578,946,441.60 and 231,363,793.08 is: 319,275,041.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,535,596.16 : 578,946,441.60 = 231,363,793.08 : x
  2. Step 2: Convert to fraction form
    419,535,596.16/578,946,441.60 = 231,363,793.08/x
  3. Step 3: Cross multiply
    419,535,596.16x = 578,946,441.60 × 231,363,793.08
  4. Step 4: Simplify right side
    419,535,596.16x = 133,947,244,718,744,720
  5. Step 5: Solve for x
    x = 133,947,244,718,744,720/419,535,596.16
  6. Step 6: Final answer
    x = 319,275,041.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.