Home / 1,226,695,798,920.40-1,840,081,184,321.80-420,851,435,738.22

Finding the Fourth Proportional to 1,226,695,798,920.40, 1,840,081,184,321.80 and 420,851,435,738.22

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Solution

The fourth proportional to 1,226,695,798,920.40, 1,840,081,184,321.80 and 420,851,435,738.22 is: 631,290,014,181.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,695,798,920.40 : 1,840,081,184,321.80 = 420,851,435,738.22 : x
  2. Step 2: Convert to fraction form
    1,226,695,798,920.40/1,840,081,184,321.80 = 420,851,435,738.22/x
  3. Step 3: Cross multiply
    1,226,695,798,920.40x = 1,840,081,184,321.80 × 420,851,435,738.22
  4. Step 4: Simplify right side
    1,226,695,798,920.40x = 774,400,808,296,713,679,798,272
  5. Step 5: Solve for x
    x = 774,400,808,296,713,679,798,272/1,226,695,798,920.40
  6. Step 6: Final answer
    x = 631,290,014,181.39

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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.