Home / 3,123,036,006.40-4,684,554,009.60-2,985,286,499.20

Finding the Fourth Proportional to 3,123,036,006.40, 4,684,554,009.60 and 2,985,286,499.20

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Solution

The fourth proportional to 3,123,036,006.40, 4,684,554,009.60 and 2,985,286,499.20 is: 4,477,929,748.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,123,036,006.40 : 4,684,554,009.60 = 2,985,286,499.20 : x
  2. Step 2: Convert to fraction form
    3,123,036,006.40/4,684,554,009.60 = 2,985,286,499.20/x
  3. Step 3: Cross multiply
    3,123,036,006.40x = 4,684,554,009.60 × 2,985,286,499.20
  4. Step 4: Simplify right side
    3,123,036,006.40x = 13,984,735,839,632,107,520
  5. Step 5: Solve for x
    x = 13,984,735,839,632,107,520/3,123,036,006.40
  6. Step 6: Final answer
    x = 4,477,929,748.80

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Similar ratio
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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.