Home / 442,629,099.60-610,881,965.40-256,990,115.28

Finding the Fourth Proportional to 442,629,099.60, 610,881,965.40 and 256,990,115.28

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Solution

The fourth proportional to 442,629,099.60, 610,881,965.40 and 256,990,115.28 is: 354,677,599.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,629,099.60 : 610,881,965.40 = 256,990,115.28 : x
  2. Step 2: Convert to fraction form
    442,629,099.60/610,881,965.40 = 256,990,115.28/x
  3. Step 3: Cross multiply
    442,629,099.60x = 610,881,965.40 × 256,990,115.28
  4. Step 4: Simplify right side
    442,629,099.60x = 156,990,626,710,618,976
  5. Step 5: Solve for x
    x = 156,990,626,710,618,976/442,629,099.60
  6. Step 6: Final answer
    x = 354,677,599.94

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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.