Home / 5,228,427,334.81-7,842,636,210.41-1,638,880,262.57

Finding the Fourth Proportional to 5,228,427,334.81, 7,842,636,210.41 and 1,638,880,262.57

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Solution

The fourth proportional to 5,228,427,334.81, 7,842,636,210.41 and 1,638,880,262.57 is: 2,458,318,891.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,228,427,334.81 : 7,842,636,210.41 = 1,638,880,262.57 : x
  2. Step 2: Convert to fraction form
    5,228,427,334.81/7,842,636,210.41 = 1,638,880,262.57/x
  3. Step 3: Cross multiply
    5,228,427,334.81x = 7,842,636,210.41 × 1,638,880,262.57
  4. Step 4: Simplify right side
    5,228,427,334.81x = 12,853,141,691,757,729,792
  5. Step 5: Solve for x
    x = 12,853,141,691,757,729,792/5,228,427,334.81
  6. Step 6: Final answer
    x = 2,458,318,891.84

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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.