Home / 526,526,338.60-789,789,507.90-373,471,330.60

Finding the Fourth Proportional to 526,526,338.60, 789,789,507.90 and 373,471,330.60

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Solution

The fourth proportional to 526,526,338.60, 789,789,507.90 and 373,471,330.60 is: 560,206,995.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,526,338.60 : 789,789,507.90 = 373,471,330.60 : x
  2. Step 2: Convert to fraction form
    526,526,338.60/789,789,507.90 = 373,471,330.60/x
  3. Step 3: Cross multiply
    526,526,338.60x = 789,789,507.90 × 373,471,330.60
  4. Step 4: Simplify right side
    526,526,338.60x = 294,963,738,409,332,224
  5. Step 5: Solve for x
    x = 294,963,738,409,332,224/526,526,338.60
  6. Step 6: Final answer
    x = 560,206,995.90

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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.