Home / 1,441,229,494.14-1,988,899,632.63-781,180,219.26

Finding the Fourth Proportional to 1,441,229,494.14, 1,988,899,632.63 and 781,180,219.26

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Solution

The fourth proportional to 1,441,229,494.14, 1,988,899,632.63 and 781,180,219.26 is: 1,078,030,291.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,441,229,494.14 : 1,988,899,632.63 = 781,180,219.26 : x
  2. Step 2: Convert to fraction form
    1,441,229,494.14/1,988,899,632.63 = 781,180,219.26/x
  3. Step 3: Cross multiply
    1,441,229,494.14x = 1,988,899,632.63 × 781,180,219.26
  4. Step 4: Simplify right side
    1,441,229,494.14x = 1,553,689,051,104,036,864
  5. Step 5: Solve for x
    x = 1,553,689,051,104,036,864/1,441,229,494.14
  6. Step 6: Final answer
    x = 1,078,030,291.10

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Half scale
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Double scale
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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.