Home / 8,424,985,441.82-11,620,881,638.76-5,418,039,700.96

Finding the Fourth Proportional to 8,424,985,441.82, 11,620,881,638.76 and 5,418,039,700.96

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Solution

The fourth proportional to 8,424,985,441.82, 11,620,881,638.76 and 5,418,039,700.96 is: 7,473,294,584.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,424,985,441.82 : 11,620,881,638.76 = 5,418,039,700.96 : x
  2. Step 2: Convert to fraction form
    8,424,985,441.82/11,620,881,638.76 = 5,418,039,700.96/x
  3. Step 3: Cross multiply
    8,424,985,441.82x = 11,620,881,638.76 × 5,418,039,700.96
  4. Step 4: Simplify right side
    8,424,985,441.82x = 62,962,398,078,958,788,608
  5. Step 5: Solve for x
    x = 62,962,398,078,958,788,608/8,424,985,441.82
  6. Step 6: Final answer
    x = 7,473,294,584.75

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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.