Home / 10,051,128,220.20-15,076,692,330.30-9,180,415,285.80

Finding the Fourth Proportional to 10,051,128,220.20, 15,076,692,330.30 and 9,180,415,285.80

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Solution

The fourth proportional to 10,051,128,220.20, 15,076,692,330.30 and 9,180,415,285.80 is: 13,770,622,928.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,051,128,220.20 : 15,076,692,330.30 = 9,180,415,285.80 : x
  2. Step 2: Convert to fraction form
    10,051,128,220.20/15,076,692,330.30 = 9,180,415,285.80/x
  3. Step 3: Cross multiply
    10,051,128,220.20x = 15,076,692,330.30 × 9,180,415,285.80
  4. Step 4: Simplify right side
    10,051,128,220.20x = 138,410,296,728,389,730,304
  5. Step 5: Solve for x
    x = 138,410,296,728,389,730,304/10,051,128,220.20
  6. Step 6: Final answer
    x = 13,770,622,928.70

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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.