Home / 29,267,929,349.94-40,390,109,839.89-15,902,145,684.66

Finding the Fourth Proportional to 29,267,929,349.94, 40,390,109,839.89 and 15,902,145,684.66

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Solution

The fourth proportional to 29,267,929,349.94, 40,390,109,839.89 and 15,902,145,684.66 is: 21,945,160,630.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,267,929,349.94 : 40,390,109,839.89 = 15,902,145,684.66 : x
  2. Step 2: Convert to fraction form
    29,267,929,349.94/40,390,109,839.89 = 15,902,145,684.66/x
  3. Step 3: Cross multiply
    29,267,929,349.94x = 40,390,109,839.89 × 15,902,145,684.66
  4. Step 4: Simplify right side
    29,267,929,349.94x = 642,289,410,893,350,174,720
  5. Step 5: Solve for x
    x = 642,289,410,893,350,174,720/29,267,929,349.94
  6. Step 6: Final answer
    x = 21,945,160,630.05

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1.5x scale

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.