Home / 435,496,775.70-653,245,163.55-391,154,913.30

Finding the Fourth Proportional to 435,496,775.70, 653,245,163.55 and 391,154,913.30

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Solution

The fourth proportional to 435,496,775.70, 653,245,163.55 and 391,154,913.30 is: 586,732,369.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,496,775.70 : 653,245,163.55 = 391,154,913.30 : x
  2. Step 2: Convert to fraction form
    435,496,775.70/653,245,163.55 = 391,154,913.30/x
  3. Step 3: Cross multiply
    435,496,775.70x = 653,245,163.55 × 391,154,913.30
  4. Step 4: Simplify right side
    435,496,775.70x = 255,520,055,312,044,544
  5. Step 5: Solve for x
    x = 255,520,055,312,044,544/435,496,775.70
  6. Step 6: Final answer
    x = 586,732,369.95

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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.