Home / 930,887,566.20-1,396,331,349.30-412,768,020.60

Finding the Fourth Proportional to 930,887,566.20, 1,396,331,349.30 and 412,768,020.60

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Solution

The fourth proportional to 930,887,566.20, 1,396,331,349.30 and 412,768,020.60 is: 619,152,030.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,887,566.20 : 1,396,331,349.30 = 412,768,020.60 : x
  2. Step 2: Convert to fraction form
    930,887,566.20/1,396,331,349.30 = 412,768,020.60/x
  3. Step 3: Cross multiply
    930,887,566.20x = 1,396,331,349.30 × 412,768,020.60
  4. Step 4: Simplify right side
    930,887,566.20x = 576,360,927,152,288,192
  5. Step 5: Solve for x
    x = 576,360,927,152,288,192/930,887,566.20
  6. Step 6: Final answer
    x = 619,152,030.90

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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.