Home / 2,986,812,122.40-4,476,391,808.40-2,657,743,855.20

Finding the Fourth Proportional to 2,986,812,122.40, 4,476,391,808.40 and 2,657,743,855.20

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Solution

The fourth proportional to 2,986,812,122.40, 4,476,391,808.40 and 2,657,743,855.20 is: 3,983,210,973.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,986,812,122.40 : 4,476,391,808.40 = 2,657,743,855.20 : x
  2. Step 2: Convert to fraction form
    2,986,812,122.40/4,476,391,808.40 = 2,657,743,855.20/x
  3. Step 3: Cross multiply
    2,986,812,122.40x = 4,476,391,808.40 × 2,657,743,855.20
  4. Step 4: Simplify right side
    2,986,812,122.40x = 11,897,102,822,242,713,600
  5. Step 5: Solve for x
    x = 11,897,102,822,242,713,600/2,986,812,122.40
  6. Step 6: Final answer
    x = 3,983,210,973.67

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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.