Home / 1,077,664,499.70-1,616,496,749.55-845,212,206.30

Finding the Fourth Proportional to 1,077,664,499.70, 1,616,496,749.55 and 845,212,206.30

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Solution

The fourth proportional to 1,077,664,499.70, 1,616,496,749.55 and 845,212,206.30 is: 1,267,818,309.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,664,499.70 : 1,616,496,749.55 = 845,212,206.30 : x
  2. Step 2: Convert to fraction form
    1,077,664,499.70/1,616,496,749.55 = 845,212,206.30/x
  3. Step 3: Cross multiply
    1,077,664,499.70x = 1,616,496,749.55 × 845,212,206.30
  4. Step 4: Simplify right side
    1,077,664,499.70x = 1,366,282,784,163,933,952
  5. Step 5: Solve for x
    x = 1,366,282,784,163,933,952/1,077,664,499.70
  6. Step 6: Final answer
    x = 1,267,818,309.45

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Half scale
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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.