Home / 28,006,114,038.44-38,648,553,815.34-15,145,753,997.16

Finding the Fourth Proportional to 28,006,114,038.44, 38,648,553,815.34 and 15,145,753,997.16

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Solution

The fourth proportional to 28,006,114,038.44, 38,648,553,815.34 and 15,145,753,997.16 is: 20,901,203,488.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,006,114,038.44 : 38,648,553,815.34 = 15,145,753,997.16 : x
  2. Step 2: Convert to fraction form
    28,006,114,038.44/38,648,553,815.34 = 15,145,753,997.16/x
  3. Step 3: Cross multiply
    28,006,114,038.44x = 38,648,553,815.34 × 15,145,753,997.16
  4. Step 4: Simplify right side
    28,006,114,038.44x = 585,361,488,433,139,089,408
  5. Step 5: Solve for x
    x = 585,361,488,433,139,089,408/28,006,114,038.44
  6. Step 6: Final answer
    x = 20,901,203,488.27

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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.