Home / 1,012,102,405.60-1,518,153,608.40-603,619,794.40

Finding the Fourth Proportional to 1,012,102,405.60, 1,518,153,608.40 and 603,619,794.40

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Solution

The fourth proportional to 1,012,102,405.60, 1,518,153,608.40 and 603,619,794.40 is: 905,429,691.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,102,405.60 : 1,518,153,608.40 = 603,619,794.40 : x
  2. Step 2: Convert to fraction form
    1,012,102,405.60/1,518,153,608.40 = 603,619,794.40/x
  3. Step 3: Cross multiply
    1,012,102,405.60x = 1,518,153,608.40 × 603,619,794.40
  4. Step 4: Simplify right side
    1,012,102,405.60x = 916,387,568,970,026,112
  5. Step 5: Solve for x
    x = 916,387,568,970,026,112/1,012,102,405.60
  6. Step 6: Final answer
    x = 905,429,691.60

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Half scale
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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.