Home / 7,639,466,238-11,459,198,734.92-2,118,724,199.28

Finding the Fourth Proportional to 7,639,466,238, 11,459,198,734.92 and 2,118,724,199.28

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Solution

The fourth proportional to 7,639,466,238, 11,459,198,734.92 and 2,118,724,199.28 is: 3,178,086,126.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,639,466,238 : 11,459,198,734.92 = 2,118,724,199.28 : x
  2. Step 2: Convert to fraction form
    7,639,466,238/11,459,198,734.92 = 2,118,724,199.28/x
  3. Step 3: Cross multiply
    7,639,466,238x = 11,459,198,734.92 × 2,118,724,199.28
  4. Step 4: Simplify right side
    7,639,466,238x = 24,278,881,664,033,767,424
  5. Step 5: Solve for x
    x = 24,278,881,664,033,767,424/7,639,466,238
  6. Step 6: Final answer
    x = 3,178,086,126.39

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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.