Home / 1,115,336,382,835.90-1,673,768,779,230.90-389,267,713,137.34

Finding the Fourth Proportional to 1,115,336,382,835.90, 1,673,768,779,230.90 and 389,267,713,137.34

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Solution

The fourth proportional to 1,115,336,382,835.90, 1,673,768,779,230.90 and 389,267,713,137.34 is: 584,168,287,736.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,336,382,835.90 : 1,673,768,779,230.90 = 389,267,713,137.34 : x
  2. Step 2: Convert to fraction form
    1,115,336,382,835.90/1,673,768,779,230.90 = 389,267,713,137.34/x
  3. Step 3: Cross multiply
    1,115,336,382,835.90x = 1,673,768,779,230.90 × 389,267,713,137.34
  4. Step 4: Simplify right side
    1,115,336,382,835.90x = 651,544,145,011,889,781,342,208
  5. Step 5: Solve for x
    x = 651,544,145,011,889,781,342,208/1,115,336,382,835.90
  6. Step 6: Final answer
    x = 584,168,287,736.88

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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.