Home / 393,336,114.30-590,004,171.45-240,281,106.30

Finding the Fourth Proportional to 393,336,114.30, 590,004,171.45 and 240,281,106.30

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Solution

The fourth proportional to 393,336,114.30, 590,004,171.45 and 240,281,106.30 is: 360,421,659.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,336,114.30 : 590,004,171.45 = 240,281,106.30 : x
  2. Step 2: Convert to fraction form
    393,336,114.30/590,004,171.45 = 240,281,106.30/x
  3. Step 3: Cross multiply
    393,336,114.30x = 590,004,171.45 × 240,281,106.30
  4. Step 4: Simplify right side
    393,336,114.30x = 141,766,855,037,620,896
  5. Step 5: Solve for x
    x = 141,766,855,037,620,896/393,336,114.30
  6. Step 6: Final answer
    x = 360,421,659.45

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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.