Home / 10,278,449,355.78-14,188,907,791.80-6,473,564,135.19

Finding the Fourth Proportional to 10,278,449,355.78, 14,188,907,791.80 and 6,473,564,135.19

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Solution

The fourth proportional to 10,278,449,355.78, 14,188,907,791.80 and 6,473,564,135.19 is: 8,936,445,704.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,278,449,355.78 : 14,188,907,791.80 = 6,473,564,135.19 : x
  2. Step 2: Convert to fraction form
    10,278,449,355.78/14,188,907,791.80 = 6,473,564,135.19/x
  3. Step 3: Cross multiply
    10,278,449,355.78x = 14,188,907,791.80 × 6,473,564,135.19
  4. Step 4: Simplify right side
    10,278,449,355.78x = 91,852,804,598,514,401,280
  5. Step 5: Solve for x
    x = 91,852,804,598,514,401,280/10,278,449,355.78
  6. Step 6: Final answer
    x = 8,936,445,704.90

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Double scale
Find fourth proportional to 10,278,449,356.78, 14,188,907,793.18 and 6,473,564,136.19
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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.