Home / 28,458,611,259,242-39,278,515,749,260-18,459,495,361,926

Finding the Fourth Proportional to 28,458,611,259,242, 39,278,515,749,260 and 18,459,495,361,926

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Solution

The fourth proportional to 28,458,611,259,242, 39,278,515,749,260 and 18,459,495,361,926 is: 25,477,756,897,267.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,458,611,259,242 : 39,278,515,749,260 = 18,459,495,361,926 : x
  2. Step 2: Convert to fraction form
    28,458,611,259,242/39,278,515,749,260 = 18,459,495,361,926/x
  3. Step 3: Cross multiply
    28,458,611,259,242x = 39,278,515,749,260 × 18,459,495,361,926
  4. Step 4: Simplify right side
    28,458,611,259,242x = 725,061,579,296,802,363,815,231,488
  5. Step 5: Solve for x
    x = 725,061,579,296,802,363,815,231,488/28,458,611,259,242
  6. Step 6: Final answer
    x = 25,477,756,897,267.32

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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.