Home / 10,051,128,205.20-15,076,692,307.80-9,180,415,270.80

Finding the Fourth Proportional to 10,051,128,205.20, 15,076,692,307.80 and 9,180,415,270.80

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Solution

The fourth proportional to 10,051,128,205.20, 15,076,692,307.80 and 9,180,415,270.80 is: 13,770,622,906.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,051,128,205.20 : 15,076,692,307.80 = 9,180,415,270.80 : x
  2. Step 2: Convert to fraction form
    10,051,128,205.20/15,076,692,307.80 = 9,180,415,270.80/x
  3. Step 3: Cross multiply
    10,051,128,205.20x = 15,076,692,307.80 × 9,180,415,270.80
  4. Step 4: Simplify right side
    10,051,128,205.20x = 138,410,296,295,680,000,000
  5. Step 5: Solve for x
    x = 138,410,296,295,680,000,000/10,051,128,205.20
  6. Step 6: Final answer
    x = 13,770,622,906.20

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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.