Home / 859,246,286.40-1,288,869,429.60-245,850,523.20

Finding the Fourth Proportional to 859,246,286.40, 1,288,869,429.60 and 245,850,523.20

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Solution

The fourth proportional to 859,246,286.40, 1,288,869,429.60 and 245,850,523.20 is: 368,775,784.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,246,286.40 : 1,288,869,429.60 = 245,850,523.20 : x
  2. Step 2: Convert to fraction form
    859,246,286.40/1,288,869,429.60 = 245,850,523.20/x
  3. Step 3: Cross multiply
    859,246,286.40x = 1,288,869,429.60 × 245,850,523.20
  4. Step 4: Simplify right side
    859,246,286.40x = 316,869,223,603,645,504
  5. Step 5: Solve for x
    x = 316,869,223,603,645,504/859,246,286.40
  6. Step 6: Final answer
    x = 368,775,784.80

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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.