Home / 624,027,809.60-936,041,714.40-442,629,281.60

Finding the Fourth Proportional to 624,027,809.60, 936,041,714.40 and 442,629,281.60

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Solution

The fourth proportional to 624,027,809.60, 936,041,714.40 and 442,629,281.60 is: 663,943,922.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,027,809.60 : 936,041,714.40 = 442,629,281.60 : x
  2. Step 2: Convert to fraction form
    624,027,809.60/936,041,714.40 = 442,629,281.60/x
  3. Step 3: Cross multiply
    624,027,809.60x = 936,041,714.40 × 442,629,281.60
  4. Step 4: Simplify right side
    624,027,809.60x = 414,319,471,592,504,384
  5. Step 5: Solve for x
    x = 414,319,471,592,504,384/624,027,809.60
  6. Step 6: Final answer
    x = 663,943,922.40

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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.