Home / 515,993,764.40-724,432,003.60-515,993,764.40

Finding the Fourth Proportional to 515,993,764.40, 724,432,003.60 and 515,993,764.40

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Solution

The fourth proportional to 515,993,764.40, 724,432,003.60 and 515,993,764.40 is: 724,432,003.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,993,764.40 : 724,432,003.60 = 515,993,764.40 : x
  2. Step 2: Convert to fraction form
    515,993,764.40/724,432,003.60 = 515,993,764.40/x
  3. Step 3: Cross multiply
    515,993,764.40x = 724,432,003.60 × 515,993,764.40
  4. Step 4: Simplify right side
    515,993,764.40x = 373,802,396,589,398,336
  5. Step 5: Solve for x
    x = 373,802,396,589,398,336/515,993,764.40
  6. Step 6: Final answer
    x = 724,432,003.60

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.