Home / 1,226,695,798,793.70-1,840,081,184,132-420,851,435,611.64

Finding the Fourth Proportional to 1,226,695,798,793.70, 1,840,081,184,132 and 420,851,435,611.64

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Solution

The fourth proportional to 1,226,695,798,793.70, 1,840,081,184,132 and 420,851,435,611.64 is: 631,290,013,991.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,695,798,793.70 : 1,840,081,184,132 = 420,851,435,611.64 : x
  2. Step 2: Convert to fraction form
    1,226,695,798,793.70/1,840,081,184,132 = 420,851,435,611.64/x
  3. Step 3: Cross multiply
    1,226,695,798,793.70x = 1,840,081,184,132 × 420,851,435,611.64
  4. Step 4: Simplify right side
    1,226,695,798,793.70x = 774,400,807,983,918,727,823,360
  5. Step 5: Solve for x
    x = 774,400,807,983,918,727,823,360/1,226,695,798,793.70
  6. Step 6: Final answer
    x = 631,290,013,991.61

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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.