Home / 2,986,812,728.40-4,476,392,717.40-2,657,744,461.20

Finding the Fourth Proportional to 2,986,812,728.40, 4,476,392,717.40 and 2,657,744,461.20

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Solution

The fourth proportional to 2,986,812,728.40, 4,476,392,717.40 and 2,657,744,461.20 is: 3,983,211,882.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,986,812,728.40 : 4,476,392,717.40 = 2,657,744,461.20 : x
  2. Step 2: Convert to fraction form
    2,986,812,728.40/4,476,392,717.40 = 2,657,744,461.20/x
  3. Step 3: Cross multiply
    2,986,812,728.40x = 4,476,392,717.40 × 2,657,744,461.20
  4. Step 4: Simplify right side
    2,986,812,728.40x = 11,897,107,950,825,865,216
  5. Step 5: Solve for x
    x = 11,897,107,950,825,865,216/2,986,812,728.40
  6. Step 6: Final answer
    x = 3,983,211,882.59

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1.5x scale

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.