Home / 13,671,936,715.20-20,507,905,072.80-9,076,507,339.20

Finding the Fourth Proportional to 13,671,936,715.20, 20,507,905,072.80 and 9,076,507,339.20

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Solution

The fourth proportional to 13,671,936,715.20, 20,507,905,072.80 and 9,076,507,339.20 is: 13,614,761,008.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,671,936,715.20 : 20,507,905,072.80 = 9,076,507,339.20 : x
  2. Step 2: Convert to fraction form
    13,671,936,715.20/20,507,905,072.80 = 9,076,507,339.20/x
  3. Step 3: Cross multiply
    13,671,936,715.20x = 20,507,905,072.80 × 9,076,507,339.20
  4. Step 4: Simplify right side
    13,671,936,715.20x = 186,140,150,904,886,132,736
  5. Step 5: Solve for x
    x = 186,140,150,904,886,132,736/13,671,936,715.20
  6. Step 6: Final answer
    x = 13,614,761,008.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.