Home / 7,064,939,220.43-9,749,681,501.82-3,893,236,636

Finding the Fourth Proportional to 7,064,939,220.43, 9,749,681,501.82 and 3,893,236,636

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Solution

The fourth proportional to 7,064,939,220.43, 9,749,681,501.82 and 3,893,236,636 is: 5,372,702,584.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,064,939,220.43 : 9,749,681,501.82 = 3,893,236,636 : x
  2. Step 2: Convert to fraction form
    7,064,939,220.43/9,749,681,501.82 = 3,893,236,636/x
  3. Step 3: Cross multiply
    7,064,939,220.43x = 9,749,681,501.82 × 3,893,236,636
  4. Step 4: Simplify right side
    7,064,939,220.43x = 37,957,817,212,217,122,816
  5. Step 5: Solve for x
    x = 37,957,817,212,217,122,816/7,064,939,220.43
  6. Step 6: Final answer
    x = 5,372,702,584.96

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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.