Home / 419,736,009.60-629,604,014.40-247,035,542.40

Finding the Fourth Proportional to 419,736,009.60, 629,604,014.40 and 247,035,542.40

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Solution

The fourth proportional to 419,736,009.60, 629,604,014.40 and 247,035,542.40 is: 370,553,313.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,736,009.60 : 629,604,014.40 = 247,035,542.40 : x
  2. Step 2: Convert to fraction form
    419,736,009.60/629,604,014.40 = 247,035,542.40/x
  3. Step 3: Cross multiply
    419,736,009.60x = 629,604,014.40 × 247,035,542.40
  4. Step 4: Simplify right side
    419,736,009.60x = 155,534,569,194,521,408
  5. Step 5: Solve for x
    x = 155,534,569,194,521,408/419,736,009.60
  6. Step 6: Final answer
    x = 370,553,313.60

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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.