Home / 1,211,107,051.98-1,671,327,473.58-654,190,104.51

Finding the Fourth Proportional to 1,211,107,051.98, 1,671,327,473.58 and 654,190,104.51

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Solution

The fourth proportional to 1,211,107,051.98, 1,671,327,473.58 and 654,190,104.51 is: 902,782,204.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,107,051.98 : 1,671,327,473.58 = 654,190,104.51 : x
  2. Step 2: Convert to fraction form
    1,211,107,051.98/1,671,327,473.58 = 654,190,104.51/x
  3. Step 3: Cross multiply
    1,211,107,051.98x = 1,671,327,473.58 × 654,190,104.51
  4. Step 4: Simplify right side
    1,211,107,051.98x = 1,093,365,894,611,734,400
  5. Step 5: Solve for x
    x = 1,093,365,894,611,734,400/1,211,107,051.98
  6. Step 6: Final answer
    x = 902,782,204.78

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Double scale
Find fourth proportional to 1,211,107,052.98, 1,671,327,474.96 and 654,190,105.51
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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.