Home / 1,006,666,077.12-1,389,242,286.66-560,629,439.16

Finding the Fourth Proportional to 1,006,666,077.12, 1,389,242,286.66 and 560,629,439.16

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Solution

The fourth proportional to 1,006,666,077.12, 1,389,242,286.66 and 560,629,439.16 is: 773,692,629.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,006,666,077.12 : 1,389,242,286.66 = 560,629,439.16 : x
  2. Step 2: Convert to fraction form
    1,006,666,077.12/1,389,242,286.66 = 560,629,439.16/x
  3. Step 3: Cross multiply
    1,006,666,077.12x = 1,389,242,286.66 × 560,629,439.16
  4. Step 4: Simplify right side
    1,006,666,077.12x = 778,850,124,027,551,744
  5. Step 5: Solve for x
    x = 778,850,124,027,551,744/1,006,666,077.12
  6. Step 6: Final answer
    x = 773,692,629.29

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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.