Home / 1,298,865,176.70-1,792,567,539.74-790,263,997.03

Finding the Fourth Proportional to 1,298,865,176.70, 1,792,567,539.74 and 790,263,997.03

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Solution

The fourth proportional to 1,298,865,176.70, 1,792,567,539.74 and 790,263,997.03 is: 1,090,645,599.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,865,176.70 : 1,792,567,539.74 = 790,263,997.03 : x
  2. Step 2: Convert to fraction form
    1,298,865,176.70/1,792,567,539.74 = 790,263,997.03/x
  3. Step 3: Cross multiply
    1,298,865,176.70x = 1,792,567,539.74 × 790,263,997.03
  4. Step 4: Simplify right side
    1,298,865,176.70x = 1,416,601,588,901,165,824
  5. Step 5: Solve for x
    x = 1,416,601,588,901,165,824/1,298,865,176.70
  6. Step 6: Final answer
    x = 1,090,645,599.18

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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.