Home / 4,938,776,450.30-7,409,619,938.03-1,989,538,420.66

Finding the Fourth Proportional to 4,938,776,450.30, 7,409,619,938.03 and 1,989,538,420.66

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Solution

The fourth proportional to 4,938,776,450.30, 7,409,619,938.03 and 1,989,538,420.66 is: 2,984,893,869.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,938,776,450.30 : 7,409,619,938.03 = 1,989,538,420.66 : x
  2. Step 2: Convert to fraction form
    4,938,776,450.30/7,409,619,938.03 = 1,989,538,420.66/x
  3. Step 3: Cross multiply
    4,938,776,450.30x = 7,409,619,938.03 × 1,989,538,420.66
  4. Step 4: Simplify right side
    4,938,776,450.30x = 14,741,723,549,170,581,504
  5. Step 5: Solve for x
    x = 14,741,723,549,170,581,504/4,938,776,450.30
  6. Step 6: Final answer
    x = 2,984,893,869.47

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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.