Home / 12,161,695,989.83-16,784,902,460.72-6,809,601,259.45

Finding the Fourth Proportional to 12,161,695,989.83, 16,784,902,460.72 and 6,809,601,259.45

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Solution

The fourth proportional to 12,161,695,989.83, 16,784,902,460.72 and 6,809,601,259.45 is: 9,398,236,317.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,161,695,989.83 : 16,784,902,460.72 = 6,809,601,259.45 : x
  2. Step 2: Convert to fraction form
    12,161,695,989.83/16,784,902,460.72 = 6,809,601,259.45/x
  3. Step 3: Cross multiply
    12,161,695,989.83x = 16,784,902,460.72 × 6,809,601,259.45
  4. Step 4: Simplify right side
    12,161,695,989.83x = 114,298,492,936,146,337,792
  5. Step 5: Solve for x
    x = 114,298,492,936,146,337,792/12,161,695,989.83
  6. Step 6: Final answer
    x = 9,398,236,317.68

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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.