Home / 1,990,826,086.40-2,985,840,998.40-955,684,966.40

Finding the Fourth Proportional to 1,990,826,086.40, 2,985,840,998.40 and 955,684,966.40

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Solution

The fourth proportional to 1,990,826,086.40, 2,985,840,998.40 and 955,684,966.40 is: 1,433,336,328.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,990,826,086.40 : 2,985,840,998.40 = 955,684,966.40 : x
  2. Step 2: Convert to fraction form
    1,990,826,086.40/2,985,840,998.40 = 955,684,966.40/x
  3. Step 3: Cross multiply
    1,990,826,086.40x = 2,985,840,998.40 × 955,684,966.40
  4. Step 4: Simplify right side
    1,990,826,086.40x = 2,853,523,354,231,646,720
  5. Step 5: Solve for x
    x = 2,853,523,354,231,646,720/1,990,826,086.40
  6. Step 6: Final answer
    x = 1,433,336,328.94

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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.