Home / 956,841,285.36-1,320,441,863.61-516,808,137.36

Finding the Fourth Proportional to 956,841,285.36, 1,320,441,863.61 and 516,808,137.36

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Solution

The fourth proportional to 956,841,285.36, 1,320,441,863.61 and 516,808,137.36 is: 713,195,710.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    956,841,285.36 : 1,320,441,863.61 = 516,808,137.36 : x
  2. Step 2: Convert to fraction form
    956,841,285.36/1,320,441,863.61 = 516,808,137.36/x
  3. Step 3: Cross multiply
    956,841,285.36x = 1,320,441,863.61 × 516,808,137.36
  4. Step 4: Simplify right side
    956,841,285.36x = 682,415,100,024,451,200
  5. Step 5: Solve for x
    x = 682,415,100,024,451,200/956,841,285.36
  6. Step 6: Final answer
    x = 713,195,710.16

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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.