Home / 1,345,152,318.60-2,017,728,477.90-619,558,206.60

Finding the Fourth Proportional to 1,345,152,318.60, 2,017,728,477.90 and 619,558,206.60

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Solution

The fourth proportional to 1,345,152,318.60, 2,017,728,477.90 and 619,558,206.60 is: 929,337,309.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,152,318.60 : 2,017,728,477.90 = 619,558,206.60 : x
  2. Step 2: Convert to fraction form
    1,345,152,318.60/2,017,728,477.90 = 619,558,206.60/x
  3. Step 3: Cross multiply
    1,345,152,318.60x = 2,017,728,477.90 × 619,558,206.60
  4. Step 4: Simplify right side
    1,345,152,318.60x = 1,250,100,237,173,471,744
  5. Step 5: Solve for x
    x = 1,250,100,237,173,471,744/1,345,152,318.60
  6. Step 6: Final answer
    x = 929,337,309.90

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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.