Home / 1,999,890,311.77-2,759,847,670.33-1,196,117,795.30

Finding the Fourth Proportional to 1,999,890,311.77, 2,759,847,670.33 and 1,196,117,795.30

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Solution

The fourth proportional to 1,999,890,311.77, 2,759,847,670.33 and 1,196,117,795.30 is: 1,650,641,983.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,999,890,311.77 : 2,759,847,670.33 = 1,196,117,795.30 : x
  2. Step 2: Convert to fraction form
    1,999,890,311.77/2,759,847,670.33 = 1,196,117,795.30/x
  3. Step 3: Cross multiply
    1,999,890,311.77x = 2,759,847,670.33 × 1,196,117,795.30
  4. Step 4: Simplify right side
    1,999,890,311.77x = 3,301,102,910,798,960,640
  5. Step 5: Solve for x
    x = 3,301,102,910,798,960,640/1,999,890,311.77
  6. Step 6: Final answer
    x = 1,650,641,983.40

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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.