Home / 540,606,825,505.40-746,038,157,972.96-293,409,107,940.96

Finding the Fourth Proportional to 540,606,825,505.40, 746,038,157,972.96 and 293,409,107,940.96

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Solution

The fourth proportional to 540,606,825,505.40, 746,038,157,972.96 and 293,409,107,940.96 is: 404,904,969,921.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,606,825,505.40 : 746,038,157,972.96 = 293,409,107,940.96 : x
  2. Step 2: Convert to fraction form
    540,606,825,505.40/746,038,157,972.96 = 293,409,107,940.96/x
  3. Step 3: Cross multiply
    540,606,825,505.40x = 746,038,157,972.96 × 293,409,107,940.96
  4. Step 4: Simplify right side
    540,606,825,505.40x = 218,894,390,420,763,184,201,728
  5. Step 5: Solve for x
    x = 218,894,390,420,763,184,201,728/540,606,825,505.40
  6. Step 6: Final answer
    x = 404,904,969,921.76

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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.