Home / 1,212,372,776.70-1,818,559,165.05-523,625,240.70

Finding the Fourth Proportional to 1,212,372,776.70, 1,818,559,165.05 and 523,625,240.70

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Solution

The fourth proportional to 1,212,372,776.70, 1,818,559,165.05 and 523,625,240.70 is: 785,437,861.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,372,776.70 : 1,818,559,165.05 = 523,625,240.70 : x
  2. Step 2: Convert to fraction form
    1,212,372,776.70/1,818,559,165.05 = 523,625,240.70/x
  3. Step 3: Cross multiply
    1,212,372,776.70x = 1,818,559,165.05 × 523,625,240.70
  4. Step 4: Simplify right side
    1,212,372,776.70x = 952,243,480,526,497,280
  5. Step 5: Solve for x
    x = 952,243,480,526,497,280/1,212,372,776.70
  6. Step 6: Final answer
    x = 785,437,861.05

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Double scale
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Similar ratio
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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.