Home / 507,388,233.60-761,082,350.40-162,353,116.80

Finding the Fourth Proportional to 507,388,233.60, 761,082,350.40 and 162,353,116.80

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Solution

The fourth proportional to 507,388,233.60, 761,082,350.40 and 162,353,116.80 is: 243,529,675.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,388,233.60 : 761,082,350.40 = 162,353,116.80 : x
  2. Step 2: Convert to fraction form
    507,388,233.60/761,082,350.40 = 162,353,116.80/x
  3. Step 3: Cross multiply
    507,388,233.60x = 761,082,350.40 × 162,353,116.80
  4. Step 4: Simplify right side
    507,388,233.60x = 123,564,091,728,909,728
  5. Step 5: Solve for x
    x = 123,564,091,728,909,728/507,388,233.60
  6. Step 6: Final answer
    x = 243,529,675.20

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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.