Home / 1,115,336,382,845.50-1,673,768,779,245.20-389,267,713,146.90

Finding the Fourth Proportional to 1,115,336,382,845.50, 1,673,768,779,245.20 and 389,267,713,146.90

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Solution

The fourth proportional to 1,115,336,382,845.50, 1,673,768,779,245.20 and 389,267,713,146.90 is: 584,168,287,751.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,336,382,845.50 : 1,673,768,779,245.20 = 389,267,713,146.90 : x
  2. Step 2: Convert to fraction form
    1,115,336,382,845.50/1,673,768,779,245.20 = 389,267,713,146.90/x
  3. Step 3: Cross multiply
    1,115,336,382,845.50x = 1,673,768,779,245.20 × 389,267,713,146.90
  4. Step 4: Simplify right side
    1,115,336,382,845.50x = 651,544,145,033,457,496,489,984
  5. Step 5: Solve for x
    x = 651,544,145,033,457,496,489,984/1,115,336,382,845.50
  6. Step 6: Final answer
    x = 584,168,287,751.19

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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.