Home / 3,931,604,043.50-5,425,577,763.82-2,147,457,023.58

Finding the Fourth Proportional to 3,931,604,043.50, 5,425,577,763.82 and 2,147,457,023.58

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Solution

The fourth proportional to 3,931,604,043.50, 5,425,577,763.82 and 2,147,457,023.58 is: 2,963,471,129.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,931,604,043.50 : 5,425,577,763.82 = 2,147,457,023.58 : x
  2. Step 2: Convert to fraction form
    3,931,604,043.50/5,425,577,763.82 = 2,147,457,023.58/x
  3. Step 3: Cross multiply
    3,931,604,043.50x = 5,425,577,763.82 × 2,147,457,023.58
  4. Step 4: Simplify right side
    3,931,604,043.50x = 11,651,195,075,894,728,704
  5. Step 5: Solve for x
    x = 11,651,195,075,894,728,704/3,931,604,043.50
  6. Step 6: Final answer
    x = 2,963,471,129.59

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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.