Home / 5,228,427,337.88-7,842,636,215.03-1,638,880,265.63

Finding the Fourth Proportional to 5,228,427,337.88, 7,842,636,215.03 and 1,638,880,265.63

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Solution

The fourth proportional to 5,228,427,337.88, 7,842,636,215.03 and 1,638,880,265.63 is: 2,458,318,896.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,228,427,337.88 : 7,842,636,215.03 = 1,638,880,265.63 : x
  2. Step 2: Convert to fraction form
    5,228,427,337.88/7,842,636,215.03 = 1,638,880,265.63/x
  3. Step 3: Cross multiply
    5,228,427,337.88x = 7,842,636,215.03 × 1,638,880,265.63
  4. Step 4: Simplify right side
    5,228,427,337.88x = 12,853,141,723,351,527,424
  5. Step 5: Solve for x
    x = 12,853,141,723,351,527,424/5,228,427,337.88
  6. Step 6: Final answer
    x = 2,458,318,896.44

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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.