Home / 910,314,912.12-1,364,919,429.40-356,954,406.64

Finding the Fourth Proportional to 910,314,912.12, 1,364,919,429.40 and 356,954,406.64

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Solution

The fourth proportional to 910,314,912.12, 1,364,919,429.40 and 356,954,406.64 is: 535,214,790.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,314,912.12 : 1,364,919,429.40 = 356,954,406.64 : x
  2. Step 2: Convert to fraction form
    910,314,912.12/1,364,919,429.40 = 356,954,406.64/x
  3. Step 3: Cross multiply
    910,314,912.12x = 1,364,919,429.40 × 356,954,406.64
  4. Step 4: Simplify right side
    910,314,912.12x = 487,214,005,032,884,416
  5. Step 5: Solve for x
    x = 487,214,005,032,884,416/910,314,912.12
  6. Step 6: Final answer
    x = 535,214,790.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.