Home / 8,989,555,200.76-12,405,494,798.94-4,975,233,264.28

Finding the Fourth Proportional to 8,989,555,200.76, 12,405,494,798.94 and 4,975,233,264.28

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Solution

The fourth proportional to 8,989,555,200.76, 12,405,494,798.94 and 4,975,233,264.28 is: 6,865,771,331.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,989,555,200.76 : 12,405,494,798.94 = 4,975,233,264.28 : x
  2. Step 2: Convert to fraction form
    8,989,555,200.76/12,405,494,798.94 = 4,975,233,264.28/x
  3. Step 3: Cross multiply
    8,989,555,200.76x = 12,405,494,798.94 × 4,975,233,264.28
  4. Step 4: Simplify right side
    8,989,555,200.76x = 61,720,230,383,538,814,976
  5. Step 5: Solve for x
    x = 61,720,230,383,538,814,976/8,989,555,200.76
  6. Step 6: Final answer
    x = 6,865,771,331.86

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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.