Home / 4,938,776,446.62-7,409,619,932.54-1,989,538,416.98

Finding the Fourth Proportional to 4,938,776,446.62, 7,409,619,932.54 and 1,989,538,416.98

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Solution

The fourth proportional to 4,938,776,446.62, 7,409,619,932.54 and 1,989,538,416.98 is: 2,984,893,863.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,938,776,446.62 : 7,409,619,932.54 = 1,989,538,416.98 : x
  2. Step 2: Convert to fraction form
    4,938,776,446.62/7,409,619,932.54 = 1,989,538,416.98/x
  3. Step 3: Cross multiply
    4,938,776,446.62x = 7,409,619,932.54 × 1,989,538,416.98
  4. Step 4: Simplify right side
    4,938,776,446.62x = 14,741,723,511,009,085,440
  5. Step 5: Solve for x
    x = 14,741,723,511,009,085,440/4,938,776,446.62
  6. Step 6: Final answer
    x = 2,984,893,863.96

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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.