Home / 410,486,995.60-616,078,858.20-168,323,693.20

Finding the Fourth Proportional to 410,486,995.60, 616,078,858.20 and 168,323,693.20

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Solution

The fourth proportional to 410,486,995.60, 616,078,858.20 and 168,323,693.20 is: 252,628,389.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,486,995.60 : 616,078,858.20 = 168,323,693.20 : x
  2. Step 2: Convert to fraction form
    410,486,995.60/616,078,858.20 = 168,323,693.20/x
  3. Step 3: Cross multiply
    410,486,995.60x = 616,078,858.20 × 168,323,693.20
  4. Step 4: Simplify right side
    410,486,995.60x = 103,700,668,714,663,104
  5. Step 5: Solve for x
    x = 103,700,668,714,663,104/410,486,995.60
  6. Step 6: Final answer
    x = 252,628,389.76

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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.