Home / 509,736,317.58-764,296,945.02-194,622,923.16

Finding the Fourth Proportional to 509,736,317.58, 764,296,945.02 and 194,622,923.16

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Solution

The fourth proportional to 509,736,317.58, 764,296,945.02 and 194,622,923.16 is: 291,816,965.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,736,317.58 : 764,296,945.02 = 194,622,923.16 : x
  2. Step 2: Convert to fraction form
    509,736,317.58/764,296,945.02 = 194,622,923.16/x
  3. Step 3: Cross multiply
    509,736,317.58x = 764,296,945.02 × 194,622,923.16
  4. Step 4: Simplify right side
    509,736,317.58x = 148,749,705,602,050,208
  5. Step 5: Solve for x
    x = 148,749,705,602,050,208/509,736,317.58
  6. Step 6: Final answer
    x = 291,816,965.89

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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.