Home / 9,349,995,420.75-12,903,399,276.80-5,177,829,276.75

Finding the Fourth Proportional to 9,349,995,420.75, 12,903,399,276.80 and 5,177,829,276.75

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Solution

The fourth proportional to 9,349,995,420.75, 12,903,399,276.80 and 5,177,829,276.75 is: 7,145,629,012.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,349,995,420.75 : 12,903,399,276.80 = 5,177,829,276.75 : x
  2. Step 2: Convert to fraction form
    9,349,995,420.75/12,903,399,276.80 = 5,177,829,276.75/x
  3. Step 3: Cross multiply
    9,349,995,420.75x = 12,903,399,276.80 × 5,177,829,276.75
  4. Step 4: Simplify right side
    9,349,995,420.75x = 66,811,598,544,983,924,736
  5. Step 5: Solve for x
    x = 66,811,598,544,983,924,736/9,349,995,420.75
  6. Step 6: Final answer
    x = 7,145,629,012.47

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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.