Home / 524,209,286.40-786,313,929.60-514,005,619.20

Finding the Fourth Proportional to 524,209,286.40, 786,313,929.60 and 514,005,619.20

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Solution

The fourth proportional to 524,209,286.40, 786,313,929.60 and 514,005,619.20 is: 771,008,428.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,209,286.40 : 786,313,929.60 = 514,005,619.20 : x
  2. Step 2: Convert to fraction form
    524,209,286.40/786,313,929.60 = 514,005,619.20/x
  3. Step 3: Cross multiply
    524,209,286.40x = 786,313,929.60 × 514,005,619.20
  4. Step 4: Simplify right side
    524,209,286.40x = 404,169,778,269,633,216
  5. Step 5: Solve for x
    x = 404,169,778,269,633,216/524,209,286.40
  6. Step 6: Final answer
    x = 771,008,428.80

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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.