Home / 957,720,333.10-1,321,653,475.09-517,687,185.10

Finding the Fourth Proportional to 957,720,333.10, 1,321,653,475.09 and 517,687,185.10

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Solution

The fourth proportional to 957,720,333.10, 1,321,653,475.09 and 517,687,185.10 is: 714,407,999.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,720,333.10 : 1,321,653,475.09 = 517,687,185.10 : x
  2. Step 2: Convert to fraction form
    957,720,333.10/1,321,653,475.09 = 517,687,185.10/x
  3. Step 3: Cross multiply
    957,720,333.10x = 1,321,653,475.09 × 517,687,185.10
  4. Step 4: Simplify right side
    957,720,333.10x = 684,203,067,194,965,120
  5. Step 5: Solve for x
    x = 684,203,067,194,965,120/957,720,333.10
  6. Step 6: Final answer
    x = 714,407,999.44

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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.