Home / 2,993,069,082.61-4,128,489,124.03-1,919,672,219.84

Finding the Fourth Proportional to 2,993,069,082.61, 4,128,489,124.03 and 1,919,672,219.84

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Solution

The fourth proportional to 2,993,069,082.61, 4,128,489,124.03 and 1,919,672,219.84 is: 2,647,899,417.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,993,069,082.61 : 4,128,489,124.03 = 1,919,672,219.84 : x
  2. Step 2: Convert to fraction form
    2,993,069,082.61/4,128,489,124.03 = 1,919,672,219.84/x
  3. Step 3: Cross multiply
    2,993,069,082.61x = 4,128,489,124.03 × 1,919,672,219.84
  4. Step 4: Simplify right side
    2,993,069,082.61x = 7,925,345,881,294,012,416
  5. Step 5: Solve for x
    x = 7,925,345,881,294,012,416/2,993,069,082.61
  6. Step 6: Final answer
    x = 2,647,899,417.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.