Home / 828,144,604.80-1,241,744,515.20-310,591,929.60

Finding the Fourth Proportional to 828,144,604.80, 1,241,744,515.20 and 310,591,929.60

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Solution

The fourth proportional to 828,144,604.80, 1,241,744,515.20 and 310,591,929.60 is: 465,710,725.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,144,604.80 : 1,241,744,515.20 = 310,591,929.60 : x
  2. Step 2: Convert to fraction form
    828,144,604.80/1,241,744,515.20 = 310,591,929.60/x
  3. Step 3: Cross multiply
    828,144,604.80x = 1,241,744,515.20 × 310,591,929.60
  4. Step 4: Simplify right side
    828,144,604.80x = 385,675,825,046,184,576
  5. Step 5: Solve for x
    x = 385,675,825,046,184,576/828,144,604.80
  6. Step 6: Final answer
    x = 465,710,725.89

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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.