Home / 767,284,543.16-1,150,919,142.02-242,653,734.66

Finding the Fourth Proportional to 767,284,543.16, 1,150,919,142.02 and 242,653,734.66

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Solution

The fourth proportional to 767,284,543.16, 1,150,919,142.02 and 242,653,734.66 is: 363,978,175.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,284,543.16 : 1,150,919,142.02 = 242,653,734.66 : x
  2. Step 2: Convert to fraction form
    767,284,543.16/1,150,919,142.02 = 242,653,734.66/x
  3. Step 3: Cross multiply
    767,284,543.16x = 1,150,919,142.02 × 242,653,734.66
  4. Step 4: Simplify right side
    767,284,543.16x = 279,274,828,101,622,688
  5. Step 5: Solve for x
    x = 279,274,828,101,622,688/767,284,543.16
  6. Step 6: Final answer
    x = 363,978,175.49

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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.