Home / 509,709,301.20-764,862,550.20-186,625,832.40

Finding the Fourth Proportional to 509,709,301.20, 764,862,550.20 and 186,625,832.40

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Solution

The fourth proportional to 509,709,301.20, 764,862,550.20 and 186,625,832.40 is: 280,048,077.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,709,301.20 : 764,862,550.20 = 186,625,832.40 : x
  2. Step 2: Convert to fraction form
    509,709,301.20/764,862,550.20 = 186,625,832.40/x
  3. Step 3: Cross multiply
    509,709,301.20x = 764,862,550.20 × 186,625,832.40
  4. Step 4: Simplify right side
    509,709,301.20x = 142,743,110,102,661,792
  5. Step 5: Solve for x
    x = 142,743,110,102,661,792/509,709,301.20
  6. Step 6: Final answer
    x = 280,048,077.93

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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.