Home / 5,228,427,338.88-7,842,636,216.53-1,638,880,266.63

Finding the Fourth Proportional to 5,228,427,338.88, 7,842,636,216.53 and 1,638,880,266.63

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Solution

The fourth proportional to 5,228,427,338.88, 7,842,636,216.53 and 1,638,880,266.63 is: 2,458,318,897.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,228,427,338.88 : 7,842,636,216.53 = 1,638,880,266.63 : x
  2. Step 2: Convert to fraction form
    5,228,427,338.88/7,842,636,216.53 = 1,638,880,266.63/x
  3. Step 3: Cross multiply
    5,228,427,338.88x = 7,842,636,216.53 × 1,638,880,266.63
  4. Step 4: Simplify right side
    5,228,427,338.88x = 12,853,141,733,628,780,544
  5. Step 5: Solve for x
    x = 12,853,141,733,628,780,544/5,228,427,338.88
  6. Step 6: Final answer
    x = 2,458,318,897.93

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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.