Home / 1,198,721,413,394.60-1,798,187,824,536.70-338,203,113,109.39

Finding the Fourth Proportional to 1,198,721,413,394.60, 1,798,187,824,536.70 and 338,203,113,109.39

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Solution

The fourth proportional to 1,198,721,413,394.60, 1,798,187,824,536.70 and 338,203,113,109.39 is: 507,334,492,750.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,198,721,413,394.60 : 1,798,187,824,536.70 = 338,203,113,109.39 : x
  2. Step 2: Convert to fraction form
    1,198,721,413,394.60/1,798,187,824,536.70 = 338,203,113,109.39/x
  3. Step 3: Cross multiply
    1,198,721,413,394.60x = 1,798,187,824,536.70 × 338,203,113,109.39
  4. Step 4: Simplify right side
    1,198,721,413,394.60x = 608,152,720,213,713,451,220,992
  5. Step 5: Solve for x
    x = 608,152,720,213,713,451,220,992/1,198,721,413,394.60
  6. Step 6: Final answer
    x = 507,334,492,750.50

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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.