Home / 516,561,623,999.20-774,842,435,998.80-516,561,623,999.20

Finding the Fourth Proportional to 516,561,623,999.20, 774,842,435,998.80 and 516,561,623,999.20

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Solution

The fourth proportional to 516,561,623,999.20, 774,842,435,998.80 and 516,561,623,999.20 is: 774,842,435,998.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,561,623,999.20 : 774,842,435,998.80 = 516,561,623,999.20 : x
  2. Step 2: Convert to fraction form
    516,561,623,999.20/774,842,435,998.80 = 516,561,623,999.20/x
  3. Step 3: Cross multiply
    516,561,623,999.20x = 774,842,435,998.80 × 516,561,623,999.20
  4. Step 4: Simplify right side
    516,561,623,999.20x = 400,253,867,083,036,346,023,936
  5. Step 5: Solve for x
    x = 400,253,867,083,036,346,023,936/516,561,623,999.20
  6. Step 6: Final answer
    x = 774,842,435,998.80

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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.