Home / 1,198,721,413,407.10-1,798,187,824,555.30-338,203,113,121.65

Finding the Fourth Proportional to 1,198,721,413,407.10, 1,798,187,824,555.30 and 338,203,113,121.65

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Solution

The fourth proportional to 1,198,721,413,407.10, 1,798,187,824,555.30 and 338,203,113,121.65 is: 507,334,492,768.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,198,721,413,407.10 : 1,798,187,824,555.30 = 338,203,113,121.65 : x
  2. Step 2: Convert to fraction form
    1,198,721,413,407.10/1,798,187,824,555.30 = 338,203,113,121.65/x
  3. Step 3: Cross multiply
    1,198,721,413,407.10x = 1,798,187,824,555.30 × 338,203,113,121.65
  4. Step 4: Simplify right side
    1,198,721,413,407.10x = 608,152,720,242,049,900,609,536
  5. Step 5: Solve for x
    x = 608,152,720,242,049,900,609,536/1,198,721,413,407.10
  6. Step 6: Final answer
    x = 507,334,492,768.85

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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.