Home / 658,233,459.84-908,454,716.40-407,418,305.28

Finding the Fourth Proportional to 658,233,459.84, 908,454,716.40 and 407,418,305.28

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Solution

The fourth proportional to 658,233,459.84, 908,454,716.40 and 407,418,305.28 is: 562,294,540.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,233,459.84 : 908,454,716.40 = 407,418,305.28 : x
  2. Step 2: Convert to fraction form
    658,233,459.84/908,454,716.40 = 407,418,305.28/x
  3. Step 3: Cross multiply
    658,233,459.84x = 908,454,716.40 × 407,418,305.28
  4. Step 4: Simplify right side
    658,233,459.84x = 370,121,080,979,310,976
  5. Step 5: Solve for x
    x = 370,121,080,979,310,976/658,233,459.84
  6. Step 6: Final answer
    x = 562,294,540.71

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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.