Home / 71,416,893,948.30-98,555,329,735.52-39,302,256,102.58

Finding the Fourth Proportional to 71,416,893,948.30, 98,555,329,735.52 and 39,302,256,102.58

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Solution

The fourth proportional to 71,416,893,948.30, 98,555,329,735.52 and 39,302,256,102.58 is: 54,237,122,274.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,416,893,948.30 : 98,555,329,735.52 = 39,302,256,102.58 : x
  2. Step 2: Convert to fraction form
    71,416,893,948.30/98,555,329,735.52 = 39,302,256,102.58/x
  3. Step 3: Cross multiply
    71,416,893,948.30x = 98,555,329,735.52 × 39,302,256,102.58
  4. Step 4: Simplify right side
    71,416,893,948.30x = 3,873,446,809,539,408,560,128
  5. Step 5: Solve for x
    x = 3,873,446,809,539,408,560,128/71,416,893,948.30
  6. Step 6: Final answer
    x = 54,237,122,274.51

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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.