Home / 867,516,967.65-1,197,161,168.34-491,163,850.47

Finding the Fourth Proportional to 867,516,967.65, 1,197,161,168.34 and 491,163,850.47

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Solution

The fourth proportional to 867,516,967.65, 1,197,161,168.34 and 491,163,850.47 is: 677,799,179.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,516,967.65 : 1,197,161,168.34 = 491,163,850.47 : x
  2. Step 2: Convert to fraction form
    867,516,967.65/1,197,161,168.34 = 491,163,850.47/x
  3. Step 3: Cross multiply
    867,516,967.65x = 1,197,161,168.34 × 491,163,850.47
  4. Step 4: Simplify right side
    867,516,967.65x = 588,002,289,075,038,208
  5. Step 5: Solve for x
    x = 588,002,289,075,038,208/867,516,967.65
  6. Step 6: Final answer
    x = 677,799,179.73

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.