Home / 1,082,004,792.63-1,492,396,866.11-992,984,205.16

Finding the Fourth Proportional to 1,082,004,792.63, 1,492,396,866.11 and 992,984,205.16

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Solution

The fourth proportional to 1,082,004,792.63, 1,492,396,866.11 and 992,984,205.16 is: 1,369,611,785.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,082,004,792.63 : 1,492,396,866.11 = 992,984,205.16 : x
  2. Step 2: Convert to fraction form
    1,082,004,792.63/1,492,396,866.11 = 992,984,205.16/x
  3. Step 3: Cross multiply
    1,082,004,792.63x = 1,492,396,866.11 × 992,984,205.16
  4. Step 4: Simplify right side
    1,082,004,792.63x = 1,481,926,515,872,548,352
  5. Step 5: Solve for x
    x = 1,481,926,515,872,548,352/1,082,004,792.63
  6. Step 6: Final answer
    x = 1,369,611,785.43

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Half scale
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Double scale
Find fourth proportional to 1,082,004,793.63, 1,492,396,867.48 and 992,984,206.16
Similar ratio
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1.5x scale

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.