Home / 930,887,570.70-1,396,331,356.05-412,768,025.10

Finding the Fourth Proportional to 930,887,570.70, 1,396,331,356.05 and 412,768,025.10

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Solution

The fourth proportional to 930,887,570.70, 1,396,331,356.05 and 412,768,025.10 is: 619,152,037.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,887,570.70 : 1,396,331,356.05 = 412,768,025.10 : x
  2. Step 2: Convert to fraction form
    930,887,570.70/1,396,331,356.05 = 412,768,025.10/x
  3. Step 3: Cross multiply
    930,887,570.70x = 1,396,331,356.05 × 412,768,025.10
  4. Step 4: Simplify right side
    930,887,570.70x = 576,360,936,221,963,456
  5. Step 5: Solve for x
    x = 576,360,936,221,963,456/930,887,570.70
  6. Step 6: Final answer
    x = 619,152,037.65

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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.