Home / 524,265,217.20-786,901,710.60-265,772,314.80

Finding the Fourth Proportional to 524,265,217.20, 786,901,710.60 and 265,772,314.80

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Solution

The fourth proportional to 524,265,217.20, 786,901,710.60 and 265,772,314.80 is: 398,913,912.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,265,217.20 : 786,901,710.60 = 265,772,314.80 : x
  2. Step 2: Convert to fraction form
    524,265,217.20/786,901,710.60 = 265,772,314.80/x
  3. Step 3: Cross multiply
    524,265,217.20x = 786,901,710.60 × 265,772,314.80
  4. Step 4: Simplify right side
    524,265,217.20x = 209,136,689,146,241,728
  5. Step 5: Solve for x
    x = 209,136,689,146,241,728/524,265,217.20
  6. Step 6: Final answer
    x = 398,913,912.82

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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.