Home / 8,847,607,576.11-12,212,608,154.30-7,042,430,709.25

Finding the Fourth Proportional to 8,847,607,576.11, 12,212,608,154.30 and 7,042,430,709.25

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Solution

The fourth proportional to 8,847,607,576.11, 12,212,608,154.30 and 7,042,430,709.25 is: 9,720,870,412.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,847,607,576.11 : 12,212,608,154.30 = 7,042,430,709.25 : x
  2. Step 2: Convert to fraction form
    8,847,607,576.11/12,212,608,154.30 = 7,042,430,709.25/x
  3. Step 3: Cross multiply
    8,847,607,576.11x = 12,212,608,154.30 × 7,042,430,709.25
  4. Step 4: Simplify right side
    8,847,607,576.11x = 86,006,446,705,879,269,376
  5. Step 5: Solve for x
    x = 86,006,446,705,879,269,376/8,847,607,576.11
  6. Step 6: Final answer
    x = 9,720,870,412.26

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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.