Home / 1,135,075,204.32-1,566,403,089.12-613,554,436.32

Finding the Fourth Proportional to 1,135,075,204.32, 1,566,403,089.12 and 613,554,436.32

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Solution

The fourth proportional to 1,135,075,204.32, 1,566,403,089.12 and 613,554,436.32 is: 846,704,747.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,135,075,204.32 : 1,566,403,089.12 = 613,554,436.32 : x
  2. Step 2: Convert to fraction form
    1,135,075,204.32/1,566,403,089.12 = 613,554,436.32/x
  3. Step 3: Cross multiply
    1,135,075,204.32x = 1,566,403,089.12 × 613,554,436.32
  4. Step 4: Simplify right side
    1,135,075,204.32x = 961,073,564,394,928,384
  5. Step 5: Solve for x
    x = 961,073,564,394,928,384/1,135,075,204.32
  6. Step 6: Final answer
    x = 846,704,747.61

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Double scale
Find fourth proportional to 1,135,075,205.32, 1,566,403,090.50 and 613,554,437.32
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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.