Home / 631,230,713.69-871,125,287.18-352,772,229.02

Finding the Fourth Proportional to 631,230,713.69, 871,125,287.18 and 352,772,229.02

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Solution

The fourth proportional to 631,230,713.69, 871,125,287.18 and 352,772,229.02 is: 486,840,710.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,230,713.69 : 871,125,287.18 = 352,772,229.02 : x
  2. Step 2: Convert to fraction form
    631,230,713.69/871,125,287.18 = 352,772,229.02/x
  3. Step 3: Cross multiply
    631,230,713.69x = 871,125,287.18 × 352,772,229.02
  4. Step 4: Simplify right side
    631,230,713.69x = 307,308,809,308,056,704
  5. Step 5: Solve for x
    x = 307,308,809,308,056,704/631,230,713.69
  6. Step 6: Final answer
    x = 486,840,710.77

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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.