Home / 968,112,009.60-1,452,168,014.40-313,061,769.60

Finding the Fourth Proportional to 968,112,009.60, 1,452,168,014.40 and 313,061,769.60

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Solution

The fourth proportional to 968,112,009.60, 1,452,168,014.40 and 313,061,769.60 is: 469,592,654.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    968,112,009.60 : 1,452,168,014.40 = 313,061,769.60 : x
  2. Step 2: Convert to fraction form
    968,112,009.60/1,452,168,014.40 = 313,061,769.60/x
  3. Step 3: Cross multiply
    968,112,009.60x = 1,452,168,014.40 × 313,061,769.60
  4. Step 4: Simplify right side
    968,112,009.60x = 454,618,288,344,582,336
  5. Step 5: Solve for x
    x = 454,618,288,344,582,336/968,112,009.60
  6. Step 6: Final answer
    x = 469,592,654.40

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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.