Home / 4,938,777,531.29-7,409,621,568.05-1,989,539,505.29

Finding the Fourth Proportional to 4,938,777,531.29, 7,409,621,568.05 and 1,989,539,505.29

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Solution

The fourth proportional to 4,938,777,531.29, 7,409,621,568.05 and 1,989,539,505.29 is: 2,984,895,500.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,938,777,531.29 : 7,409,621,568.05 = 1,989,539,505.29 : x
  2. Step 2: Convert to fraction form
    4,938,777,531.29/7,409,621,568.05 = 1,989,539,505.29/x
  3. Step 3: Cross multiply
    4,938,777,531.29x = 7,409,621,568.05 × 1,989,539,505.29
  4. Step 4: Simplify right side
    4,938,777,531.29x = 14,741,734,828,884,312,064
  5. Step 5: Solve for x
    x = 14,741,734,828,884,312,064/4,938,777,531.29
  6. Step 6: Final answer
    x = 2,984,895,500.05

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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.