Home / 64,604,730,942.51-96,921,503,777.94-19,840,745,208.63

Finding the Fourth Proportional to 64,604,730,942.51, 96,921,503,777.94 and 19,840,745,208.63

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Solution

The fourth proportional to 64,604,730,942.51, 96,921,503,777.94 and 19,840,745,208.63 is: 29,765,542,455.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,604,730,942.51 : 96,921,503,777.94 = 19,840,745,208.63 : x
  2. Step 2: Convert to fraction form
    64,604,730,942.51/96,921,503,777.94 = 19,840,745,208.63/x
  3. Step 3: Cross multiply
    64,604,730,942.51x = 96,921,503,777.94 × 19,840,745,208.63
  4. Step 4: Simplify right side
    64,604,730,942.51x = 1,922,994,861,695,377,604,608
  5. Step 5: Solve for x
    x = 1,922,994,861,695,377,604,608/64,604,730,942.51
  6. Step 6: Final answer
    x = 29,765,542,455.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.