Home / 45,677,965,025.96-68,489,021,762.36-21,781,778,462.78

Finding the Fourth Proportional to 45,677,965,025.96, 68,489,021,762.36 and 21,781,778,462.78

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Solution

The fourth proportional to 45,677,965,025.96, 68,489,021,762.36 and 21,781,778,462.78 is: 32,659,351,140.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,677,965,025.96 : 68,489,021,762.36 = 21,781,778,462.78 : x
  2. Step 2: Convert to fraction form
    45,677,965,025.96/68,489,021,762.36 = 21,781,778,462.78/x
  3. Step 3: Cross multiply
    45,677,965,025.96x = 68,489,021,762.36 × 21,781,778,462.78
  4. Step 4: Simplify right side
    45,677,965,025.96x = 1,491,812,699,159,792,713,728
  5. Step 5: Solve for x
    x = 1,491,812,699,159,792,713,728/45,677,965,025.96
  6. Step 6: Final answer
    x = 32,659,351,140.36

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1.5x scale

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.