Home / 1,458,837,068.40-2,188,255,602.60-437,630,540.40

Finding the Fourth Proportional to 1,458,837,068.40, 2,188,255,602.60 and 437,630,540.40

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Solution

The fourth proportional to 1,458,837,068.40, 2,188,255,602.60 and 437,630,540.40 is: 656,445,810.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,458,837,068.40 : 2,188,255,602.60 = 437,630,540.40 : x
  2. Step 2: Convert to fraction form
    1,458,837,068.40/2,188,255,602.60 = 437,630,540.40/x
  3. Step 3: Cross multiply
    1,458,837,068.40x = 2,188,255,602.60 × 437,630,540.40
  4. Step 4: Simplify right side
    1,458,837,068.40x = 957,647,481,899,165,568
  5. Step 5: Solve for x
    x = 957,647,481,899,165,568/1,458,837,068.40
  6. Step 6: Final answer
    x = 656,445,810.60

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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.