Home / 1,011,489,045.65-1,517,233,568.48-284,477,757.65

Finding the Fourth Proportional to 1,011,489,045.65, 1,517,233,568.48 and 284,477,757.65

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Solution

The fourth proportional to 1,011,489,045.65, 1,517,233,568.48 and 284,477,757.65 is: 426,716,636.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,489,045.65 : 1,517,233,568.48 = 284,477,757.65 : x
  2. Step 2: Convert to fraction form
    1,011,489,045.65/1,517,233,568.48 = 284,477,757.65/x
  3. Step 3: Cross multiply
    1,011,489,045.65x = 1,517,233,568.48 × 284,477,757.65
  4. Step 4: Simplify right side
    1,011,489,045.65x = 431,619,203,391,075,648
  5. Step 5: Solve for x
    x = 431,619,203,391,075,648/1,011,489,045.65
  6. Step 6: Final answer
    x = 426,716,636.48

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Double scale
Find fourth proportional to 1,011,489,046.65, 1,517,233,569.98 and 284,477,758.65
Similar ratio
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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.