Home / 772,536,286.40-1,158,804,429.60-409,739,230.40

Finding the Fourth Proportional to 772,536,286.40, 1,158,804,429.60 and 409,739,230.40

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Solution

The fourth proportional to 772,536,286.40, 1,158,804,429.60 and 409,739,230.40 is: 614,608,845.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,536,286.40 : 1,158,804,429.60 = 409,739,230.40 : x
  2. Step 2: Convert to fraction form
    772,536,286.40/1,158,804,429.60 = 409,739,230.40/x
  3. Step 3: Cross multiply
    772,536,286.40x = 1,158,804,429.60 × 409,739,230.40
  4. Step 4: Simplify right side
    772,536,286.40x = 474,807,635,168,414,912
  5. Step 5: Solve for x
    x = 474,807,635,168,414,912/772,536,286.40
  6. Step 6: Final answer
    x = 614,608,845.60

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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.