Home / 415,599,944.05-623,496,931.40-120,501,236.53

Finding the Fourth Proportional to 415,599,944.05, 623,496,931.40 and 120,501,236.53

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Solution

The fourth proportional to 415,599,944.05, 623,496,931.40 and 120,501,236.53 is: 180,779,983.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,599,944.05 : 623,496,931.40 = 120,501,236.53 : x
  2. Step 2: Convert to fraction form
    415,599,944.05/623,496,931.40 = 120,501,236.53/x
  3. Step 3: Cross multiply
    415,599,944.05x = 623,496,931.40 × 120,501,236.53
  4. Step 4: Simplify right side
    415,599,944.05x = 75,132,151,206,360,576
  5. Step 5: Solve for x
    x = 75,132,151,206,360,576/415,599,944.05
  6. Step 6: Final answer
    x = 180,779,983.93

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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.