Home / 1,920,284,153.72-2,650,418,443.88-1,167,437,359.05

Finding the Fourth Proportional to 1,920,284,153.72, 2,650,418,443.88 and 1,167,437,359.05

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Solution

The fourth proportional to 1,920,284,153.72, 2,650,418,443.88 and 1,167,437,359.05 is: 1,611,322,731.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,920,284,153.72 : 2,650,418,443.88 = 1,167,437,359.05 : x
  2. Step 2: Convert to fraction form
    1,920,284,153.72/2,650,418,443.88 = 1,167,437,359.05/x
  3. Step 3: Cross multiply
    1,920,284,153.72x = 2,650,418,443.88 × 1,167,437,359.05
  4. Step 4: Simplify right side
    1,920,284,153.72x = 3,094,197,508,489,088,512
  5. Step 5: Solve for x
    x = 3,094,197,508,489,088,512/1,920,284,153.72
  6. Step 6: Final answer
    x = 1,611,322,731.85

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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.