Home / 524,880,809.60-787,321,214.40-179,719,721.60

Finding the Fourth Proportional to 524,880,809.60, 787,321,214.40 and 179,719,721.60

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Solution

The fourth proportional to 524,880,809.60, 787,321,214.40 and 179,719,721.60 is: 269,579,582.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,880,809.60 : 787,321,214.40 = 179,719,721.60 : x
  2. Step 2: Convert to fraction form
    524,880,809.60/787,321,214.40 = 179,719,721.60/x
  3. Step 3: Cross multiply
    524,880,809.60x = 787,321,214.40 × 179,719,721.60
  4. Step 4: Simplify right side
    524,880,809.60x = 141,497,149,461,741,904
  5. Step 5: Solve for x
    x = 141,497,149,461,741,904/524,880,809.60
  6. Step 6: Final answer
    x = 269,579,582.40

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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.