Home / 419,906,988.40-629,860,482.60-177,569,892.40

Finding the Fourth Proportional to 419,906,988.40, 629,860,482.60 and 177,569,892.40

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Solution

The fourth proportional to 419,906,988.40, 629,860,482.60 and 177,569,892.40 is: 266,354,838.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,906,988.40 : 629,860,482.60 = 177,569,892.40 : x
  2. Step 2: Convert to fraction form
    419,906,988.40/629,860,482.60 = 177,569,892.40/x
  3. Step 3: Cross multiply
    419,906,988.40x = 629,860,482.60 × 177,569,892.40
  4. Step 4: Simplify right side
    419,906,988.40x = 111,844,258,122,294,080
  5. Step 5: Solve for x
    x = 111,844,258,122,294,080/419,906,988.40
  6. Step 6: Final answer
    x = 266,354,838.60

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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.