Home / 7,105,261,063.30-9,804,871,809.84-3,889,548,971.80

Finding the Fourth Proportional to 7,105,261,063.30, 9,804,871,809.84 and 3,889,548,971.80

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Solution

The fourth proportional to 7,105,261,063.30, 9,804,871,809.84 and 3,889,548,971.80 is: 5,367,364,932.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,105,261,063.30 : 9,804,871,809.84 = 3,889,548,971.80 : x
  2. Step 2: Convert to fraction form
    7,105,261,063.30/9,804,871,809.84 = 3,889,548,971.80/x
  3. Step 3: Cross multiply
    7,105,261,063.30x = 9,804,871,809.84 × 3,889,548,971.80
  4. Step 4: Simplify right side
    7,105,261,063.30x = 38,136,529,066,593,976,320
  5. Step 5: Solve for x
    x = 38,136,529,066,593,976,320/7,105,261,063.30
  6. Step 6: Final answer
    x = 5,367,364,932.38

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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.