Home / 1,198,721,413,383.90-1,798,187,824,520.50-338,203,113,098.53

Finding the Fourth Proportional to 1,198,721,413,383.90, 1,798,187,824,520.50 and 338,203,113,098.53

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Solution

The fourth proportional to 1,198,721,413,383.90, 1,798,187,824,520.50 and 338,203,113,098.53 is: 507,334,492,734.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,198,721,413,383.90 : 1,798,187,824,520.50 = 338,203,113,098.53 : x
  2. Step 2: Convert to fraction form
    1,198,721,413,383.90/1,798,187,824,520.50 = 338,203,113,098.53/x
  3. Step 3: Cross multiply
    1,198,721,413,383.90x = 1,798,187,824,520.50 × 338,203,113,098.53
  4. Step 4: Simplify right side
    1,198,721,413,383.90x = 608,152,720,188,706,272,575,488
  5. Step 5: Solve for x
    x = 608,152,720,188,706,272,575,488/1,198,721,413,383.90
  6. Step 6: Final answer
    x = 507,334,492,734.17

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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.