Home / 1,115,336,382,842.70-1,673,768,779,241.20-389,267,713,144.10

Finding the Fourth Proportional to 1,115,336,382,842.70, 1,673,768,779,241.20 and 389,267,713,144.10

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Solution

The fourth proportional to 1,115,336,382,842.70, 1,673,768,779,241.20 and 389,267,713,144.10 is: 584,168,287,747.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,336,382,842.70 : 1,673,768,779,241.20 = 389,267,713,144.10 : x
  2. Step 2: Convert to fraction form
    1,115,336,382,842.70/1,673,768,779,241.20 = 389,267,713,144.10/x
  3. Step 3: Cross multiply
    1,115,336,382,842.70x = 1,673,768,779,241.20 × 389,267,713,144.10
  4. Step 4: Simplify right side
    1,115,336,382,842.70x = 651,544,145,027,213,822,001,152
  5. Step 5: Solve for x
    x = 651,544,145,027,213,822,001,152/1,115,336,382,842.70
  6. Step 6: Final answer
    x = 584,168,287,747.06

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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.