Home / 1,008,002,886.20-1,510,809,935.70-425,736,006.20

Finding the Fourth Proportional to 1,008,002,886.20, 1,510,809,935.70 and 425,736,006.20

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Solution

The fourth proportional to 1,008,002,886.20, 1,510,809,935.70 and 425,736,006.20 is: 638,099,550.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,002,886.20 : 1,510,809,935.70 = 425,736,006.20 : x
  2. Step 2: Convert to fraction form
    1,008,002,886.20/1,510,809,935.70 = 425,736,006.20/x
  3. Step 3: Cross multiply
    1,008,002,886.20x = 1,510,809,935.70 × 425,736,006.20
  4. Step 4: Simplify right side
    1,008,002,886.20x = 643,206,188,152,196,864
  5. Step 5: Solve for x
    x = 643,206,188,152,196,864/1,008,002,886.20
  6. Step 6: Final answer
    x = 638,099,550.07

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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.