Home / 650,664,590.80-975,996,886.20-219,843,086.80

Finding the Fourth Proportional to 650,664,590.80, 975,996,886.20 and 219,843,086.80

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Solution

The fourth proportional to 650,664,590.80, 975,996,886.20 and 219,843,086.80 is: 329,764,630.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,664,590.80 : 975,996,886.20 = 219,843,086.80 : x
  2. Step 2: Convert to fraction form
    650,664,590.80/975,996,886.20 = 219,843,086.80/x
  3. Step 3: Cross multiply
    650,664,590.80x = 975,996,886.20 × 219,843,086.80
  4. Step 4: Simplify right side
    650,664,590.80x = 214,566,168,169,396,352
  5. Step 5: Solve for x
    x = 214,566,168,169,396,352/650,664,590.80
  6. Step 6: Final answer
    x = 329,764,630.20

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Double scale
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Similar ratio
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1.5x scale

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.