Home / 1,800,879,302.88-2,699,446,124.16-696,242,865.60

Finding the Fourth Proportional to 1,800,879,302.88, 2,699,446,124.16 and 696,242,865.60

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Solution

The fourth proportional to 1,800,879,302.88, 2,699,446,124.16 and 696,242,865.60 is: 1,043,640,238.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,800,879,302.88 : 2,699,446,124.16 = 696,242,865.60 : x
  2. Step 2: Convert to fraction form
    1,800,879,302.88/2,699,446,124.16 = 696,242,865.60/x
  3. Step 3: Cross multiply
    1,800,879,302.88x = 2,699,446,124.16 × 696,242,865.60
  4. Step 4: Simplify right side
    1,800,879,302.88x = 1,879,470,105,017,971,712
  5. Step 5: Solve for x
    x = 1,879,470,105,017,971,712/1,800,879,302.88
  6. Step 6: Final answer
    x = 1,043,640,238.42

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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.