Home / 526,538,720.70-789,808,081.05-254,440,928.70

Finding the Fourth Proportional to 526,538,720.70, 789,808,081.05 and 254,440,928.70

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Solution

The fourth proportional to 526,538,720.70, 789,808,081.05 and 254,440,928.70 is: 381,661,393.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,538,720.70 : 789,808,081.05 = 254,440,928.70 : x
  2. Step 2: Convert to fraction form
    526,538,720.70/789,808,081.05 = 254,440,928.70/x
  3. Step 3: Cross multiply
    526,538,720.70x = 789,808,081.05 × 254,440,928.70
  4. Step 4: Simplify right side
    526,538,720.70x = 200,959,501,637,126,848
  5. Step 5: Solve for x
    x = 200,959,501,637,126,848/526,538,720.70
  6. Step 6: Final answer
    x = 381,661,393.05

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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.