Home / 40,385,046,871.78-60,578,804,412.74-13,855,191,293.77

Finding the Fourth Proportional to 40,385,046,871.78, 60,578,804,412.74 and 13,855,191,293.77

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Solution

The fourth proportional to 40,385,046,871.78, 60,578,804,412.74 and 13,855,191,293.77 is: 20,783,210,334.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,385,046,871.78 : 60,578,804,412.74 = 13,855,191,293.77 : x
  2. Step 2: Convert to fraction form
    40,385,046,871.78/60,578,804,412.74 = 13,855,191,293.77/x
  3. Step 3: Cross multiply
    40,385,046,871.78x = 60,578,804,412.74 × 13,855,191,293.77
  4. Step 4: Simplify right side
    40,385,046,871.78x = 839,330,923,486,321,704,960
  5. Step 5: Solve for x
    x = 839,330,923,486,321,704,960/40,385,046,871.78
  6. Step 6: Final answer
    x = 20,783,210,334.04

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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.