Home / 819,994,911.04-1,230,300,639.32-488,193,376.88

Finding the Fourth Proportional to 819,994,911.04, 1,230,300,639.32 and 488,193,376.88

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Solution

The fourth proportional to 819,994,911.04, 1,230,300,639.32 and 488,193,376.88 is: 732,473,599.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,994,911.04 : 1,230,300,639.32 = 488,193,376.88 : x
  2. Step 2: Convert to fraction form
    819,994,911.04/1,230,300,639.32 = 488,193,376.88/x
  3. Step 3: Cross multiply
    819,994,911.04x = 1,230,300,639.32 × 488,193,376.88
  4. Step 4: Simplify right side
    819,994,911.04x = 600,624,623,687,253,632
  5. Step 5: Solve for x
    x = 600,624,623,687,253,632/819,994,911.04
  6. Step 6: Final answer
    x = 732,473,599.04

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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.