Home / 509,709,314.70-764,862,570.45-186,625,845.90

Finding the Fourth Proportional to 509,709,314.70, 764,862,570.45 and 186,625,845.90

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Solution

The fourth proportional to 509,709,314.70, 764,862,570.45 and 186,625,845.90 is: 280,048,098.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,709,314.70 : 764,862,570.45 = 186,625,845.90 : x
  2. Step 2: Convert to fraction form
    509,709,314.70/764,862,570.45 = 186,625,845.90/x
  3. Step 3: Cross multiply
    509,709,314.70x = 764,862,570.45 × 186,625,845.90
  4. Step 4: Simplify right side
    509,709,314.70x = 142,743,124,207,479,600
  5. Step 5: Solve for x
    x = 142,743,124,207,479,600/509,709,314.70
  6. Step 6: Final answer
    x = 280,048,098.18

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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.