Home / 20,784,855,050.91-28,683,472,026.19-11,269,727,534.43

Finding the Fourth Proportional to 20,784,855,050.91, 28,683,472,026.19 and 11,269,727,534.43

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Solution

The fourth proportional to 20,784,855,050.91, 28,683,472,026.19 and 11,269,727,534.43 is: 15,552,425,729.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,784,855,050.91 : 28,683,472,026.19 = 11,269,727,534.43 : x
  2. Step 2: Convert to fraction form
    20,784,855,050.91/28,683,472,026.19 = 11,269,727,534.43/x
  3. Step 3: Cross multiply
    20,784,855,050.91x = 28,683,472,026.19 × 11,269,727,534.43
  4. Step 4: Simplify right side
    20,784,855,050.91x = 323,254,914,476,651,184,128
  5. Step 5: Solve for x
    x = 323,254,914,476,651,184,128/20,784,855,050.91
  6. Step 6: Final answer
    x = 15,552,425,729.45

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.