Home / 518,194,661.76-777,428,264.64-186,235,200

Finding the Fourth Proportional to 518,194,661.76, 777,428,264.64 and 186,235,200

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Solution

The fourth proportional to 518,194,661.76, 777,428,264.64 and 186,235,200 is: 279,401,775.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,194,661.76 : 777,428,264.64 = 186,235,200 : x
  2. Step 2: Convert to fraction form
    518,194,661.76/777,428,264.64 = 186,235,200/x
  3. Step 3: Cross multiply
    518,194,661.76x = 777,428,264.64 × 186,235,200
  4. Step 4: Simplify right side
    518,194,661.76x = 144,784,508,350,883,328
  5. Step 5: Solve for x
    x = 144,784,508,350,883,328/518,194,661.76
  6. Step 6: Final answer
    x = 279,401,775.12

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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.