Home / 1,198,721,413,393.10-1,798,187,824,534.50-338,203,113,107.89

Finding the Fourth Proportional to 1,198,721,413,393.10, 1,798,187,824,534.50 and 338,203,113,107.89

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Solution

The fourth proportional to 1,198,721,413,393.10, 1,798,187,824,534.50 and 338,203,113,107.89 is: 507,334,492,748.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,198,721,413,393.10 : 1,798,187,824,534.50 = 338,203,113,107.89 : x
  2. Step 2: Convert to fraction form
    1,198,721,413,393.10/1,798,187,824,534.50 = 338,203,113,107.89/x
  3. Step 3: Cross multiply
    1,198,721,413,393.10x = 1,798,187,824,534.50 × 338,203,113,107.89
  4. Step 4: Simplify right side
    1,198,721,413,393.10x = 608,152,720,210,272,242,892,800
  5. Step 5: Solve for x
    x = 608,152,720,210,272,242,892,800/1,198,721,413,393.10
  6. Step 6: Final answer
    x = 507,334,492,748.27

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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.