Home / 19,407,388,664.40-29,111,082,996.60-18,645,514,846.80

Finding the Fourth Proportional to 19,407,388,664.40, 29,111,082,996.60 and 18,645,514,846.80

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Solution

The fourth proportional to 19,407,388,664.40, 29,111,082,996.60 and 18,645,514,846.80 is: 27,968,272,270.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,407,388,664.40 : 29,111,082,996.60 = 18,645,514,846.80 : x
  2. Step 2: Convert to fraction form
    19,407,388,664.40/29,111,082,996.60 = 18,645,514,846.80/x
  3. Step 3: Cross multiply
    19,407,388,664.40x = 29,111,082,996.60 × 18,645,514,846.80
  4. Step 4: Simplify right side
    19,407,388,664.40x = 542,791,130,219,532,255,232
  5. Step 5: Solve for x
    x = 542,791,130,219,532,255,232/19,407,388,664.40
  6. Step 6: Final answer
    x = 27,968,272,270.20

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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.