Home / 193,763,018,711.10-290,644,528,066.65-191,150,879,907.90

Finding the Fourth Proportional to 193,763,018,711.10, 290,644,528,066.65 and 191,150,879,907.90

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Solution

The fourth proportional to 193,763,018,711.10, 290,644,528,066.65 and 191,150,879,907.90 is: 286,726,319,861.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,763,018,711.10 : 290,644,528,066.65 = 191,150,879,907.90 : x
  2. Step 2: Convert to fraction form
    193,763,018,711.10/290,644,528,066.65 = 191,150,879,907.90/x
  3. Step 3: Cross multiply
    193,763,018,711.10x = 290,644,528,066.65 × 191,150,879,907.90
  4. Step 4: Simplify right side
    193,763,018,711.10x = 55,556,957,280,356,488,183,808
  5. Step 5: Solve for x
    x = 55,556,957,280,356,488,183,808/193,763,018,711.10
  6. Step 6: Final answer
    x = 286,726,319,861.85

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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.