Home / 1,198,721,413,390.40-1,798,187,824,530.60-338,203,113,105.12

Finding the Fourth Proportional to 1,198,721,413,390.40, 1,798,187,824,530.60 and 338,203,113,105.12

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Solution

The fourth proportional to 1,198,721,413,390.40, 1,798,187,824,530.60 and 338,203,113,105.12 is: 507,334,492,744.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,198,721,413,390.40 : 1,798,187,824,530.60 = 338,203,113,105.12 : x
  2. Step 2: Convert to fraction form
    1,198,721,413,390.40/1,798,187,824,530.60 = 338,203,113,105.12/x
  3. Step 3: Cross multiply
    1,198,721,413,390.40x = 1,798,187,824,530.60 × 338,203,113,105.12
  4. Step 4: Simplify right side
    1,198,721,413,390.40x = 608,152,720,203,972,196,958,208
  5. Step 5: Solve for x
    x = 608,152,720,203,972,196,958,208/1,198,721,413,390.40
  6. Step 6: Final answer
    x = 507,334,492,744.15

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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.