Home / 669,084,622.68-923,282,650.04-386,845,171.11

Finding the Fourth Proportional to 669,084,622.68, 923,282,650.04 and 386,845,171.11

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Solution

The fourth proportional to 669,084,622.68, 923,282,650.04 and 386,845,171.11 is: 533,815,040.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,084,622.68 : 923,282,650.04 = 386,845,171.11 : x
  2. Step 2: Convert to fraction form
    669,084,622.68/923,282,650.04 = 386,845,171.11/x
  3. Step 3: Cross multiply
    669,084,622.68x = 923,282,650.04 × 386,845,171.11
  4. Step 4: Simplify right side
    669,084,622.68x = 357,167,434,735,683,840
  5. Step 5: Solve for x
    x = 357,167,434,735,683,840/669,084,622.68
  6. Step 6: Final answer
    x = 533,815,040.17

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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.