Home / 14,962,506,513.92-20,648,245,512.84-8,445,969,794.54

Finding the Fourth Proportional to 14,962,506,513.92, 20,648,245,512.84 and 8,445,969,794.54

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Solution

The fourth proportional to 14,962,506,513.92, 20,648,245,512.84 and 8,445,969,794.54 is: 11,655,430,709.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,962,506,513.92 : 20,648,245,512.84 = 8,445,969,794.54 : x
  2. Step 2: Convert to fraction form
    14,962,506,513.92/20,648,245,512.84 = 8,445,969,794.54/x
  3. Step 3: Cross multiply
    14,962,506,513.92x = 20,648,245,512.84 × 8,445,969,794.54
  4. Step 4: Simplify right side
    14,962,506,513.92x = 174,394,457,911,589,502,976
  5. Step 5: Solve for x
    x = 174,394,457,911,589,502,976/14,962,506,513.92
  6. Step 6: Final answer
    x = 11,655,430,709.38

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Double scale
Find fourth proportional to 14,962,506,514.92, 20,648,245,514.22 and 8,445,969,795.54
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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.