Home / 989,014,767.90-1,483,522,151.85-252,083,247.90

Finding the Fourth Proportional to 989,014,767.90, 1,483,522,151.85 and 252,083,247.90

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Solution

The fourth proportional to 989,014,767.90, 1,483,522,151.85 and 252,083,247.90 is: 378,124,871.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,014,767.90 : 1,483,522,151.85 = 252,083,247.90 : x
  2. Step 2: Convert to fraction form
    989,014,767.90/1,483,522,151.85 = 252,083,247.90/x
  3. Step 3: Cross multiply
    989,014,767.90x = 1,483,522,151.85 × 252,083,247.90
  4. Step 4: Simplify right side
    989,014,767.90x = 373,971,082,369,944,960
  5. Step 5: Solve for x
    x = 373,971,082,369,944,960/989,014,767.90
  6. Step 6: Final answer
    x = 378,124,871.85

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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.