Home / 1,362,624,031.20-2,043,936,046.80-489,643,615.20

Finding the Fourth Proportional to 1,362,624,031.20, 2,043,936,046.80 and 489,643,615.20

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Solution

The fourth proportional to 1,362,624,031.20, 2,043,936,046.80 and 489,643,615.20 is: 734,465,422.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,362,624,031.20 : 2,043,936,046.80 = 489,643,615.20 : x
  2. Step 2: Convert to fraction form
    1,362,624,031.20/2,043,936,046.80 = 489,643,615.20/x
  3. Step 3: Cross multiply
    1,362,624,031.20x = 2,043,936,046.80 × 489,643,615.20
  4. Step 4: Simplify right side
    1,362,624,031.20x = 1,000,800,235,192,748,288
  5. Step 5: Solve for x
    x = 1,000,800,235,192,748,288/1,362,624,031.20
  6. Step 6: Final answer
    x = 734,465,422.80

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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.