Home / 13,608,868,009.10-20,413,302,013.65-10,853,877,865.10

Finding the Fourth Proportional to 13,608,868,009.10, 20,413,302,013.65 and 10,853,877,865.10

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Solution

The fourth proportional to 13,608,868,009.10, 20,413,302,013.65 and 10,853,877,865.10 is: 16,280,816,797.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,608,868,009.10 : 20,413,302,013.65 = 10,853,877,865.10 : x
  2. Step 2: Convert to fraction form
    13,608,868,009.10/20,413,302,013.65 = 10,853,877,865.10/x
  3. Step 3: Cross multiply
    13,608,868,009.10x = 20,413,302,013.65 × 10,853,877,865.10
  4. Step 4: Simplify right side
    13,608,868,009.10x = 221,563,486,879,557,025,792
  5. Step 5: Solve for x
    x = 221,563,486,879,557,025,792/13,608,868,009.10
  6. Step 6: Final answer
    x = 16,280,816,797.65

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Double scale
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Similar ratio
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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.