Home / 1,212,372,638.20-1,818,558,957.30-523,625,102.20

Finding the Fourth Proportional to 1,212,372,638.20, 1,818,558,957.30 and 523,625,102.20

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Solution

The fourth proportional to 1,212,372,638.20, 1,818,558,957.30 and 523,625,102.20 is: 785,437,653.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,372,638.20 : 1,818,558,957.30 = 523,625,102.20 : x
  2. Step 2: Convert to fraction form
    1,212,372,638.20/1,818,558,957.30 = 523,625,102.20/x
  3. Step 3: Cross multiply
    1,212,372,638.20x = 1,818,558,957.30 × 523,625,102.20
  4. Step 4: Simplify right side
    1,212,372,638.20x = 952,243,119,872,937,856
  5. Step 5: Solve for x
    x = 952,243,119,872,937,856/1,212,372,638.20
  6. Step 6: Final answer
    x = 785,437,653.30

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Double scale
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Similar ratio
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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.