Home / 1,115,336,382,841.60-1,673,768,779,239.50-389,267,713,142.97

Finding the Fourth Proportional to 1,115,336,382,841.60, 1,673,768,779,239.50 and 389,267,713,142.97

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Solution

The fourth proportional to 1,115,336,382,841.60, 1,673,768,779,239.50 and 389,267,713,142.97 is: 584,168,287,745.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,336,382,841.60 : 1,673,768,779,239.50 = 389,267,713,142.97 : x
  2. Step 2: Convert to fraction form
    1,115,336,382,841.60/1,673,768,779,239.50 = 389,267,713,142.97/x
  3. Step 3: Cross multiply
    1,115,336,382,841.60x = 1,673,768,779,239.50 × 389,267,713,142.97
  4. Step 4: Simplify right side
    1,115,336,382,841.60x = 651,544,145,024,660,732,379,136
  5. Step 5: Solve for x
    x = 651,544,145,024,660,732,379,136/1,115,336,382,841.60
  6. Step 6: Final answer
    x = 584,168,287,745.34

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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.