Home / 507,644,022.60-761,522,021.10-162,538,921.80

Finding the Fourth Proportional to 507,644,022.60, 761,522,021.10 and 162,538,921.80

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Solution

The fourth proportional to 507,644,022.60, 761,522,021.10 and 162,538,921.80 is: 243,826,308.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,644,022.60 : 761,522,021.10 = 162,538,921.80 : x
  2. Step 2: Convert to fraction form
    507,644,022.60/761,522,021.10 = 162,538,921.80/x
  3. Step 3: Cross multiply
    507,644,022.60x = 761,522,021.10 × 162,538,921.80
  4. Step 4: Simplify right side
    507,644,022.60x = 123,776,968,236,550,864
  5. Step 5: Solve for x
    x = 123,776,968,236,550,864/507,644,022.60
  6. Step 6: Final answer
    x = 243,826,308.84

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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.