Home / 1,623,007,189.45-2,238,595,299.85-1,489,476,308.24

Finding the Fourth Proportional to 1,623,007,189.45, 2,238,595,299.85 and 1,489,476,308.24

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Solution

The fourth proportional to 1,623,007,189.45, 2,238,595,299.85 and 1,489,476,308.24 is: 2,054,417,678.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,623,007,189.45 : 2,238,595,299.85 = 1,489,476,308.24 : x
  2. Step 2: Convert to fraction form
    1,623,007,189.45/2,238,595,299.85 = 1,489,476,308.24/x
  3. Step 3: Cross multiply
    1,623,007,189.45x = 2,238,595,299.85 × 1,489,476,308.24
  4. Step 4: Simplify right side
    1,623,007,189.45x = 3,334,334,662,856,546,304
  5. Step 5: Solve for x
    x = 3,334,334,662,856,546,304/1,623,007,189.45
  6. Step 6: Final answer
    x = 2,054,417,678.83

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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.