Home / 853,095,622.40-1,279,643,433.60-785,910,982.40

Finding the Fourth Proportional to 853,095,622.40, 1,279,643,433.60 and 785,910,982.40

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Solution

The fourth proportional to 853,095,622.40, 1,279,643,433.60 and 785,910,982.40 is: 1,178,866,473.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,095,622.40 : 1,279,643,433.60 = 785,910,982.40 : x
  2. Step 2: Convert to fraction form
    853,095,622.40/1,279,643,433.60 = 785,910,982.40/x
  3. Step 3: Cross multiply
    853,095,622.40x = 1,279,643,433.60 × 785,910,982.40
  4. Step 4: Simplify right side
    853,095,622.40x = 1,005,685,828,022,285,056
  5. Step 5: Solve for x
    x = 1,005,685,828,022,285,056/853,095,622.40
  6. Step 6: Final answer
    x = 1,178,866,473.60

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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.