Home / 699,277,993.28-965,057,045.28-386,072,532.80

Finding the Fourth Proportional to 699,277,993.28, 965,057,045.28 and 386,072,532.80

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Solution

The fourth proportional to 699,277,993.28, 965,057,045.28 and 386,072,532.80 is: 532,809,585.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,277,993.28 : 965,057,045.28 = 386,072,532.80 : x
  2. Step 2: Convert to fraction form
    699,277,993.28/965,057,045.28 = 386,072,532.80/x
  3. Step 3: Cross multiply
    699,277,993.28x = 965,057,045.28 × 386,072,532.80
  4. Step 4: Simplify right side
    699,277,993.28x = 372,582,017,767,733,888
  5. Step 5: Solve for x
    x = 372,582,017,767,733,888/699,277,993.28
  6. Step 6: Final answer
    x = 532,809,585.53

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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.