Home / 625,247,099.61-936,686,847.91-417,358,665.33

Finding the Fourth Proportional to 625,247,099.61, 936,686,847.91 and 417,358,665.33

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Solution

The fourth proportional to 625,247,099.61, 936,686,847.91 and 417,358,665.33 is: 625,247,798.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,247,099.61 : 936,686,847.91 = 417,358,665.33 : x
  2. Step 2: Convert to fraction form
    625,247,099.61/936,686,847.91 = 417,358,665.33/x
  3. Step 3: Cross multiply
    625,247,099.61x = 936,686,847.91 × 417,358,665.33
  4. Step 4: Simplify right side
    625,247,099.61x = 390,934,372,675,882,240
  5. Step 5: Solve for x
    x = 390,934,372,675,882,240/625,247,099.61
  6. Step 6: Final answer
    x = 625,247,798.70

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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.