Home / 1,436,584,398.12-1,982,318,007.42-810,015,488.28

Finding the Fourth Proportional to 1,436,584,398.12, 1,982,318,007.42 and 810,015,488.28

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Solution

The fourth proportional to 1,436,584,398.12, 1,982,318,007.42 and 810,015,488.28 is: 1,117,726,386.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,436,584,398.12 : 1,982,318,007.42 = 810,015,488.28 : x
  2. Step 2: Convert to fraction form
    1,436,584,398.12/1,982,318,007.42 = 810,015,488.28/x
  3. Step 3: Cross multiply
    1,436,584,398.12x = 1,982,318,007.42 × 810,015,488.28
  4. Step 4: Simplify right side
    1,436,584,398.12x = 1,605,708,288,706,547,968
  5. Step 5: Solve for x
    x = 1,605,708,288,706,547,968/1,436,584,398.12
  6. Step 6: Final answer
    x = 1,117,726,386.84

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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.