Home / 258,683,165.70-388,024,748.55-233,173,997.70

Finding the Fourth Proportional to 258,683,165.70, 388,024,748.55 and 233,173,997.70

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Solution

The fourth proportional to 258,683,165.70, 388,024,748.55 and 233,173,997.70 is: 349,760,996.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,683,165.70 : 388,024,748.55 = 233,173,997.70 : x
  2. Step 2: Convert to fraction form
    258,683,165.70/388,024,748.55 = 233,173,997.70/x
  3. Step 3: Cross multiply
    258,683,165.70x = 388,024,748.55 × 233,173,997.70
  4. Step 4: Simplify right side
    258,683,165.70x = 90,477,281,825,940,784
  5. Step 5: Solve for x
    x = 90,477,281,825,940,784/258,683,165.70
  6. Step 6: Final answer
    x = 349,760,996.55

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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.