Home / 991,860,294,495.90-1,368,809,629,711.60-552,397,608,263.85

Finding the Fourth Proportional to 991,860,294,495.90, 1,368,809,629,711.60 and 552,397,608,263.85

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Solution

The fourth proportional to 991,860,294,495.90, 1,368,809,629,711.60 and 552,397,608,263.85 is: 762,332,326,253.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,860,294,495.90 : 1,368,809,629,711.60 = 552,397,608,263.85 : x
  2. Step 2: Convert to fraction form
    991,860,294,495.90/1,368,809,629,711.60 = 552,397,608,263.85/x
  3. Step 3: Cross multiply
    991,860,294,495.90x = 1,368,809,629,711.60 × 552,397,608,263.85
  4. Step 4: Simplify right side
    991,860,294,495.90x = 756,127,165,621,214,019,321,856
  5. Step 5: Solve for x
    x = 756,127,165,621,214,019,321,856/991,860,294,495.90
  6. Step 6: Final answer
    x = 762,332,326,253.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.