Home / 1,605,802,920.73-2,408,651,379.14-660,368,288.23

Finding the Fourth Proportional to 1,605,802,920.73, 2,408,651,379.14 and 660,368,288.23

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Solution

The fourth proportional to 1,605,802,920.73, 2,408,651,379.14 and 660,368,288.23 is: 990,530,635.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,605,802,920.73 : 2,408,651,379.14 = 660,368,288.23 : x
  2. Step 2: Convert to fraction form
    1,605,802,920.73/2,408,651,379.14 = 660,368,288.23/x
  3. Step 3: Cross multiply
    1,605,802,920.73x = 2,408,651,379.14 × 660,368,288.23
  4. Step 4: Simplify right side
    1,605,802,920.73x = 1,590,596,988,185,510,400
  5. Step 5: Solve for x
    x = 1,590,596,988,185,510,400/1,605,802,920.73
  6. Step 6: Final answer
    x = 990,530,635.89

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1.5x scale

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.