Home / 9,349,995,421.75-12,903,399,278.18-5,177,829,277.75

Finding the Fourth Proportional to 9,349,995,421.75, 12,903,399,278.18 and 5,177,829,277.75

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Solution

The fourth proportional to 9,349,995,421.75, 12,903,399,278.18 and 5,177,829,277.75 is: 7,145,629,013.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,349,995,421.75 : 12,903,399,278.18 = 5,177,829,277.75 : x
  2. Step 2: Convert to fraction form
    9,349,995,421.75/12,903,399,278.18 = 5,177,829,277.75/x
  3. Step 3: Cross multiply
    9,349,995,421.75x = 12,903,399,278.18 × 5,177,829,277.75
  4. Step 4: Simplify right side
    9,349,995,421.75x = 66,811,598,565,058,625,536
  5. Step 5: Solve for x
    x = 66,811,598,565,058,625,536/9,349,995,421.75
  6. Step 6: Final answer
    x = 7,145,629,013.85

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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.