Home / 2,588,928,744.60-3,883,393,116.90-865,642,728.60

Finding the Fourth Proportional to 2,588,928,744.60, 3,883,393,116.90 and 865,642,728.60

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Solution

The fourth proportional to 2,588,928,744.60, 3,883,393,116.90 and 865,642,728.60 is: 1,298,464,092.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,588,928,744.60 : 3,883,393,116.90 = 865,642,728.60 : x
  2. Step 2: Convert to fraction form
    2,588,928,744.60/3,883,393,116.90 = 865,642,728.60/x
  3. Step 3: Cross multiply
    2,588,928,744.60x = 3,883,393,116.90 × 865,642,728.60
  4. Step 4: Simplify right side
    2,588,928,744.60x = 3,361,631,013,939,774,976
  5. Step 5: Solve for x
    x = 3,361,631,013,939,774,976/2,588,928,744.60
  6. Step 6: Final answer
    x = 1,298,464,092.90

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1.5x scale

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.