Home / 2,320,045,116.21-3,201,731,548.52-1,428,486,186.24

Finding the Fourth Proportional to 2,320,045,116.21, 3,201,731,548.52 and 1,428,486,186.24

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Solution

The fourth proportional to 2,320,045,116.21, 3,201,731,548.52 and 1,428,486,186.24 is: 1,971,353,598.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,320,045,116.21 : 3,201,731,548.52 = 1,428,486,186.24 : x
  2. Step 2: Convert to fraction form
    2,320,045,116.21/3,201,731,548.52 = 1,428,486,186.24/x
  3. Step 3: Cross multiply
    2,320,045,116.21x = 3,201,731,548.52 × 1,428,486,186.24
  4. Step 4: Simplify right side
    2,320,045,116.21x = 4,573,629,289,102,481,920
  5. Step 5: Solve for x
    x = 4,573,629,289,102,481,920/2,320,045,116.21
  6. Step 6: Final answer
    x = 1,971,353,598.75

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Double scale
Find fourth proportional to 2,320,045,117.21, 3,201,731,549.90 and 1,428,486,187.24
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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.