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Finding the Fourth Proportional to 1,364,944,580.45, 1,883,605,175.69 and 762,124,577.21

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Solution

The fourth proportional to 1,364,944,580.45, 1,883,605,175.69 and 762,124,577.21 is: 1,051,721,673.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,364,944,580.45 : 1,883,605,175.69 = 762,124,577.21 : x
  2. Step 2: Convert to fraction form
    1,364,944,580.45/1,883,605,175.69 = 762,124,577.21/x
  3. Step 3: Cross multiply
    1,364,944,580.45x = 1,883,605,175.69 × 762,124,577.21
  4. Step 4: Simplify right side
    1,364,944,580.45x = 1,435,541,798,153,309,184
  5. Step 5: Solve for x
    x = 1,435,541,798,153,309,184/1,364,944,580.45
  6. Step 6: Final answer
    x = 1,051,721,673.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.