Home / 505,474,488-758,240,094.72-141,940,500.48

Finding the Fourth Proportional to 505,474,488, 758,240,094.72 and 141,940,500.48

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Solution

The fourth proportional to 505,474,488, 758,240,094.72 and 141,940,500.48 is: 212,918,715.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,474,488 : 758,240,094.72 = 141,940,500.48 : x
  2. Step 2: Convert to fraction form
    505,474,488/758,240,094.72 = 141,940,500.48/x
  3. Step 3: Cross multiply
    505,474,488x = 758,240,094.72 × 141,940,500.48
  4. Step 4: Simplify right side
    505,474,488x = 107,624,978,528,559,408
  5. Step 5: Solve for x
    x = 107,624,978,528,559,408/505,474,488
  6. Step 6: Final answer
    x = 212,918,715.15

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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.