Home / 28,781,569,805.70-43,172,354,708.55-22,243,160,640.90

Finding the Fourth Proportional to 28,781,569,805.70, 43,172,354,708.55 and 22,243,160,640.90

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Solution

The fourth proportional to 28,781,569,805.70, 43,172,354,708.55 and 22,243,160,640.90 is: 33,364,740,961.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,781,569,805.70 : 43,172,354,708.55 = 22,243,160,640.90 : x
  2. Step 2: Convert to fraction form
    28,781,569,805.70/43,172,354,708.55 = 22,243,160,640.90/x
  3. Step 3: Cross multiply
    28,781,569,805.70x = 43,172,354,708.55 × 22,243,160,640.90
  4. Step 4: Simplify right side
    28,781,569,805.70x = 960,289,621,028,193,304,576
  5. Step 5: Solve for x
    x = 960,289,621,028,193,304,576/28,781,569,805.70
  6. Step 6: Final answer
    x = 33,364,740,961.35

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1.5x scale

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.