Home / 393,517,660.32-589,881,452.67-134,555,777.64

Finding the Fourth Proportional to 393,517,660.32, 589,881,452.67 and 134,555,777.64

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Solution

The fourth proportional to 393,517,660.32, 589,881,452.67 and 134,555,777.64 is: 201,698,590.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,517,660.32 : 589,881,452.67 = 134,555,777.64 : x
  2. Step 2: Convert to fraction form
    393,517,660.32/589,881,452.67 = 134,555,777.64/x
  3. Step 3: Cross multiply
    393,517,660.32x = 589,881,452.67 × 134,555,777.64
  4. Step 4: Simplify right side
    393,517,660.32x = 79,371,957,579,424,688
  5. Step 5: Solve for x
    x = 79,371,957,579,424,688/393,517,660.32
  6. Step 6: Final answer
    x = 201,698,590.90

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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.