Home / 327,544,880.40-491,317,320.60-155,357,996.40

Finding the Fourth Proportional to 327,544,880.40, 491,317,320.60 and 155,357,996.40

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Solution

The fourth proportional to 327,544,880.40, 491,317,320.60 and 155,357,996.40 is: 233,036,994.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,544,880.40 : 491,317,320.60 = 155,357,996.40 : x
  2. Step 2: Convert to fraction form
    327,544,880.40/491,317,320.60 = 155,357,996.40/x
  3. Step 3: Cross multiply
    327,544,880.40x = 491,317,320.60 × 155,357,996.40
  4. Step 4: Simplify right side
    327,544,880.40x = 76,330,074,525,032,448
  5. Step 5: Solve for x
    x = 76,330,074,525,032,448/327,544,880.40
  6. Step 6: Final answer
    x = 233,036,994.60

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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.