Home / 8,487,339,396.48-11,627,696,463.24-8,169,235,902.72

Finding the Fourth Proportional to 8,487,339,396.48, 11,627,696,463.24 and 8,169,235,902.72

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Solution

The fourth proportional to 8,487,339,396.48, 11,627,696,463.24 and 8,169,235,902.72 is: 11,191,893,121.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,487,339,396.48 : 11,627,696,463.24 = 8,169,235,902.72 : x
  2. Step 2: Convert to fraction form
    8,487,339,396.48/11,627,696,463.24 = 8,169,235,902.72/x
  3. Step 3: Cross multiply
    8,487,339,396.48x = 11,627,696,463.24 × 8,169,235,902.72
  4. Step 4: Simplify right side
    8,487,339,396.48x = 94,989,395,413,430,566,912
  5. Step 5: Solve for x
    x = 94,989,395,413,430,566,912/8,487,339,396.48
  6. Step 6: Final answer
    x = 11,191,893,121.75

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.