Home / 437,013,599.40-655,436,418.30-130,315,717.80

Finding the Fourth Proportional to 437,013,599.40, 655,436,418.30 and 130,315,717.80

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Solution

The fourth proportional to 437,013,599.40, 655,436,418.30 and 130,315,717.80 is: 195,448,533.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,013,599.40 : 655,436,418.30 = 130,315,717.80 : x
  2. Step 2: Convert to fraction form
    437,013,599.40/655,436,418.30 = 130,315,717.80/x
  3. Step 3: Cross multiply
    437,013,599.40x = 655,436,418.30 × 130,315,717.80
  4. Step 4: Simplify right side
    437,013,599.40x = 85,413,667,323,025,552
  5. Step 5: Solve for x
    x = 85,413,667,323,025,552/437,013,599.40
  6. Step 6: Final answer
    x = 195,448,533.96

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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.