Home / 649,450,362.15-974,175,524.40-299,592,918.55

Finding the Fourth Proportional to 649,450,362.15, 974,175,524.40 and 299,592,918.55

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Solution

The fourth proportional to 649,450,362.15, 974,175,524.40 and 299,592,918.55 is: 449,389,369.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,450,362.15 : 974,175,524.40 = 299,592,918.55 : x
  2. Step 2: Convert to fraction form
    649,450,362.15/974,175,524.40 = 299,592,918.55/x
  3. Step 3: Cross multiply
    649,450,362.15x = 974,175,524.40 × 299,592,918.55
  4. Step 4: Simplify right side
    649,450,362.15x = 291,856,088,534,972,736
  5. Step 5: Solve for x
    x = 291,856,088,534,972,736/649,450,362.15
  6. Step 6: Final answer
    x = 449,389,369.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.