Home / 7,105,261,064.30-9,804,871,811.22-3,889,548,972.80

Finding the Fourth Proportional to 7,105,261,064.30, 9,804,871,811.22 and 3,889,548,972.80

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Solution

The fourth proportional to 7,105,261,064.30, 9,804,871,811.22 and 3,889,548,972.80 is: 5,367,364,933.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,105,261,064.30 : 9,804,871,811.22 = 3,889,548,972.80 : x
  2. Step 2: Convert to fraction form
    7,105,261,064.30/9,804,871,811.22 = 3,889,548,972.80/x
  3. Step 3: Cross multiply
    7,105,261,064.30x = 9,804,871,811.22 × 3,889,548,972.80
  4. Step 4: Simplify right side
    7,105,261,064.30x = 38,136,529,081,766,428,672
  5. Step 5: Solve for x
    x = 38,136,529,081,766,428,672/7,105,261,064.30
  6. Step 6: Final answer
    x = 5,367,364,933.76

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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.