Home / 1,790,012,482.38-2,470,090,253.94-986,204,869.20

Finding the Fourth Proportional to 1,790,012,482.38, 2,470,090,253.94 and 986,204,869.20

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Solution

The fourth proportional to 1,790,012,482.38, 2,470,090,253.94 and 986,204,869.20 is: 1,360,892,764.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,790,012,482.38 : 2,470,090,253.94 = 986,204,869.20 : x
  2. Step 2: Convert to fraction form
    1,790,012,482.38/2,470,090,253.94 = 986,204,869.20/x
  3. Step 3: Cross multiply
    1,790,012,482.38x = 2,470,090,253.94 × 986,204,869.20
  4. Step 4: Simplify right side
    1,790,012,482.38x = 2,436,015,035,799,092,736
  5. Step 5: Solve for x
    x = 2,436,015,035,799,092,736/1,790,012,482.38
  6. Step 6: Final answer
    x = 1,360,892,764.59

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.