Home / 631,230,725.76-871,125,303.87-352,772,241.06

Finding the Fourth Proportional to 631,230,725.76, 871,125,303.87 and 352,772,241.06

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Solution

The fourth proportional to 631,230,725.76, 871,125,303.87 and 352,772,241.06 is: 486,840,727.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,230,725.76 : 871,125,303.87 = 352,772,241.06 : x
  2. Step 2: Convert to fraction form
    631,230,725.76/871,125,303.87 = 352,772,241.06/x
  3. Step 3: Cross multiply
    631,230,725.76x = 871,125,303.87 × 352,772,241.06
  4. Step 4: Simplify right side
    631,230,725.76x = 307,308,825,690,293,376
  5. Step 5: Solve for x
    x = 307,308,825,690,293,376/631,230,725.76
  6. Step 6: Final answer
    x = 486,840,727.41

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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.