Home / 348,270,777.28-480,599,240.40-189,501,555.76

Finding the Fourth Proportional to 348,270,777.28, 480,599,240.40 and 189,501,555.76

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Solution

The fourth proportional to 348,270,777.28, 480,599,240.40 and 189,501,555.76 is: 261,504,294.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,270,777.28 : 480,599,240.40 = 189,501,555.76 : x
  2. Step 2: Convert to fraction form
    348,270,777.28/480,599,240.40 = 189,501,555.76/x
  3. Step 3: Cross multiply
    348,270,777.28x = 480,599,240.40 × 189,501,555.76
  4. Step 4: Simplify right side
    348,270,777.28x = 91,074,303,752,874,240
  5. Step 5: Solve for x
    x = 91,074,303,752,874,240/348,270,777.28
  6. Step 6: Final answer
    x = 261,504,294.06

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1.5x scale

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.