Home / 321,003,486,008.40-481,505,229,012.60-97,413,077,571.60

Finding the Fourth Proportional to 321,003,486,008.40, 481,505,229,012.60 and 97,413,077,571.60

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Solution

The fourth proportional to 321,003,486,008.40, 481,505,229,012.60 and 97,413,077,571.60 is: 146,119,616,357.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,003,486,008.40 : 481,505,229,012.60 = 97,413,077,571.60 : x
  2. Step 2: Convert to fraction form
    321,003,486,008.40/481,505,229,012.60 = 97,413,077,571.60/x
  3. Step 3: Cross multiply
    321,003,486,008.40x = 481,505,229,012.60 × 97,413,077,571.60
  4. Step 4: Simplify right side
    321,003,486,008.40x = 46,904,906,224,935,425,277,952
  5. Step 5: Solve for x
    x = 46,904,906,224,935,425,277,952/321,003,486,008.40
  6. Step 6: Final answer
    x = 146,119,616,357.40

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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.