Home / 71,568,779,381.88-98,765,213,862.54-39,453,436,010.03

Finding the Fourth Proportional to 71,568,779,381.88, 98,765,213,862.54 and 39,453,436,010.03

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Solution

The fourth proportional to 71,568,779,381.88, 98,765,213,862.54 and 39,453,436,010.03 is: 54,445,906,145.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,568,779,381.88 : 98,765,213,862.54 = 39,453,436,010.03 : x
  2. Step 2: Convert to fraction form
    71,568,779,381.88/98,765,213,862.54 = 39,453,436,010.03/x
  3. Step 3: Cross multiply
    71,568,779,381.88x = 98,765,213,862.54 × 39,453,436,010.03
  4. Step 4: Simplify right side
    71,568,779,381.88x = 3,896,627,045,142,156,017,664
  5. Step 5: Solve for x
    x = 3,896,627,045,142,156,017,664/71,568,779,381.88
  6. Step 6: Final answer
    x = 54,445,906,145.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.