Home / 419,735,999.60-629,603,999.40-247,035,532.40

Finding the Fourth Proportional to 419,735,999.60, 629,603,999.40 and 247,035,532.40

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Solution

The fourth proportional to 419,735,999.60, 629,603,999.40 and 247,035,532.40 is: 370,553,298.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,735,999.60 : 629,603,999.40 = 247,035,532.40 : x
  2. Step 2: Convert to fraction form
    419,735,999.60/629,603,999.40 = 247,035,532.40/x
  3. Step 3: Cross multiply
    419,735,999.60x = 629,603,999.40 × 247,035,532.40
  4. Step 4: Simplify right side
    419,735,999.60x = 155,534,559,192,948,288
  5. Step 5: Solve for x
    x = 155,534,559,192,948,288/419,735,999.60
  6. Step 6: Final answer
    x = 370,553,298.60

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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.