Home / 13,088,650,936.86-18,062,784,012.15-7,740,795,583.26

Finding the Fourth Proportional to 13,088,650,936.86, 18,062,784,012.15 and 7,740,795,583.26

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Solution

The fourth proportional to 13,088,650,936.86, 18,062,784,012.15 and 7,740,795,583.26 is: 10,682,561,508.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,088,650,936.86 : 18,062,784,012.15 = 7,740,795,583.26 : x
  2. Step 2: Convert to fraction form
    13,088,650,936.86/18,062,784,012.15 = 7,740,795,583.26/x
  3. Step 3: Cross multiply
    13,088,650,936.86x = 18,062,784,012.15 × 7,740,795,583.26
  4. Step 4: Simplify right side
    13,088,650,936.86x = 139,820,318,702,630,076,416
  5. Step 5: Solve for x
    x = 139,820,318,702,630,076,416/13,088,650,936.86
  6. Step 6: Final answer
    x = 10,682,561,508.98

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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.