Home / 1,008,002,879.20-1,510,809,925.20-425,735,999.20

Finding the Fourth Proportional to 1,008,002,879.20, 1,510,809,925.20 and 425,735,999.20

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Solution

The fourth proportional to 1,008,002,879.20, 1,510,809,925.20 and 425,735,999.20 is: 638,099,539.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,002,879.20 : 1,510,809,925.20 = 425,735,999.20 : x
  2. Step 2: Convert to fraction form
    1,008,002,879.20/1,510,809,925.20 = 425,735,999.20/x
  3. Step 3: Cross multiply
    1,008,002,879.20x = 1,510,809,925.20 × 425,735,999.20
  4. Step 4: Simplify right side
    1,008,002,879.20x = 643,206,173,106,299,264
  5. Step 5: Solve for x
    x = 643,206,173,106,299,264/1,008,002,879.20
  6. Step 6: Final answer
    x = 638,099,539.57

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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.