Home / 415,599,944.61-623,496,932.24-120,501,237.09

Finding the Fourth Proportional to 415,599,944.61, 623,496,932.24 and 120,501,237.09

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Solution

The fourth proportional to 415,599,944.61, 623,496,932.24 and 120,501,237.09 is: 180,779,984.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,599,944.61 : 623,496,932.24 = 120,501,237.09 : x
  2. Step 2: Convert to fraction form
    415,599,944.61/623,496,932.24 = 120,501,237.09/x
  3. Step 3: Cross multiply
    415,599,944.61x = 623,496,932.24 × 120,501,237.09
  4. Step 4: Simplify right side
    415,599,944.61x = 75,132,151,656,739,904
  5. Step 5: Solve for x
    x = 75,132,151,656,739,904/415,599,944.61
  6. Step 6: Final answer
    x = 180,779,984.77

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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.