Home / 71,568,779,384.88-98,765,213,866.68-39,453,436,013.03

Finding the Fourth Proportional to 71,568,779,384.88, 98,765,213,866.68 and 39,453,436,013.03

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Solution

The fourth proportional to 71,568,779,384.88, 98,765,213,866.68 and 39,453,436,013.03 is: 54,445,906,149.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,568,779,384.88 : 98,765,213,866.68 = 39,453,436,013.03 : x
  2. Step 2: Convert to fraction form
    71,568,779,384.88/98,765,213,866.68 = 39,453,436,013.03/x
  3. Step 3: Cross multiply
    71,568,779,384.88x = 98,765,213,866.68 × 39,453,436,013.03
  4. Step 4: Simplify right side
    71,568,779,384.88x = 3,896,627,045,601,788,821,504
  5. Step 5: Solve for x
    x = 3,896,627,045,601,788,821,504/71,568,779,384.88
  6. Step 6: Final answer
    x = 54,445,906,149.20

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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.