Home / 20,706,769,852.35-31,060,154,778.53-19,645,588,463.55

Finding the Fourth Proportional to 20,706,769,852.35, 31,060,154,778.53 and 19,645,588,463.55

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Solution

The fourth proportional to 20,706,769,852.35, 31,060,154,778.53 and 19,645,588,463.55 is: 29,468,382,695.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,706,769,852.35 : 31,060,154,778.53 = 19,645,588,463.55 : x
  2. Step 2: Convert to fraction form
    20,706,769,852.35/31,060,154,778.53 = 19,645,588,463.55/x
  3. Step 3: Cross multiply
    20,706,769,852.35x = 31,060,154,778.53 × 19,645,588,463.55
  4. Step 4: Simplify right side
    20,706,769,852.35x = 610,195,018,393,068,109,824
  5. Step 5: Solve for x
    x = 610,195,018,393,068,109,824/20,706,769,852.35
  6. Step 6: Final answer
    x = 29,468,382,695.33

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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.