Home / 631,417,004.69-871,361,104.64-349,178,543.37

Finding the Fourth Proportional to 631,417,004.69, 871,361,104.64 and 349,178,543.37

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Solution

The fourth proportional to 631,417,004.69, 871,361,104.64 and 349,178,543.37 is: 481,869,507.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,417,004.69 : 871,361,104.64 = 349,178,543.37 : x
  2. Step 2: Convert to fraction form
    631,417,004.69/871,361,104.64 = 349,178,543.37/x
  3. Step 3: Cross multiply
    631,417,004.69x = 871,361,104.64 × 349,178,543.37
  4. Step 4: Simplify right side
    631,417,004.69x = 304,260,601,265,723,456
  5. Step 5: Solve for x
    x = 304,260,601,265,723,456/631,417,004.69
  6. Step 6: Final answer
    x = 481,869,507.80

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Why These Related Problems?

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