Home / 1,370,209,939.35-1,890,673,731.91-798,087,150.24

Finding the Fourth Proportional to 1,370,209,939.35, 1,890,673,731.91 and 798,087,150.24

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Solution

The fourth proportional to 1,370,209,939.35, 1,890,673,731.91 and 798,087,150.24 is: 1,101,234,465.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370,209,939.35 : 1,890,673,731.91 = 798,087,150.24 : x
  2. Step 2: Convert to fraction form
    1,370,209,939.35/1,890,673,731.91 = 798,087,150.24/x
  3. Step 3: Cross multiply
    1,370,209,939.35x = 1,890,673,731.91 × 798,087,150.24
  4. Step 4: Simplify right side
    1,370,209,939.35x = 1,508,922,410,733,677,824
  5. Step 5: Solve for x
    x = 1,508,922,410,733,677,824/1,370,209,939.35
  6. Step 6: Final answer
    x = 1,101,234,465.90

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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.