Home / 524,325,997.40-786,592,603.87-192,336,089.76

Finding the Fourth Proportional to 524,325,997.40, 786,592,603.87 and 192,336,089.76

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Solution

The fourth proportional to 524,325,997.40, 786,592,603.87 and 192,336,089.76 is: 288,542,140.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,325,997.40 : 786,592,603.87 = 192,336,089.76 : x
  2. Step 2: Convert to fraction form
    524,325,997.40/786,592,603.87 = 192,336,089.76/x
  3. Step 3: Cross multiply
    524,325,997.40x = 786,592,603.87 × 192,336,089.76
  4. Step 4: Simplify right side
    524,325,997.40x = 151,290,145,662,011,584
  5. Step 5: Solve for x
    x = 151,290,145,662,011,584/524,325,997.40
  6. Step 6: Final answer
    x = 288,542,140.60

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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.