Home / 509,870,571.24-764,762,047.11-310,398,086.85

Finding the Fourth Proportional to 509,870,571.24, 764,762,047.11 and 310,398,086.85

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Solution

The fourth proportional to 509,870,571.24, 764,762,047.11 and 310,398,086.85 is: 465,570,459.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,870,571.24 : 764,762,047.11 = 310,398,086.85 : x
  2. Step 2: Convert to fraction form
    509,870,571.24/764,762,047.11 = 310,398,086.85/x
  3. Step 3: Cross multiply
    509,870,571.24x = 764,762,047.11 × 310,398,086.85
  4. Step 4: Simplify right side
    509,870,571.24x = 237,380,676,317,973,632
  5. Step 5: Solve for x
    x = 237,380,676,317,973,632/509,870,571.24
  6. Step 6: Final answer
    x = 465,570,459.85

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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.