Home / 1,078,189,879.60-1,617,583,417.80-715,392,823.60

Finding the Fourth Proportional to 1,078,189,879.60, 1,617,583,417.80 and 715,392,823.60

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Solution

The fourth proportional to 1,078,189,879.60, 1,617,583,417.80 and 715,392,823.60 is: 1,073,287,359.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,189,879.60 : 1,617,583,417.80 = 715,392,823.60 : x
  2. Step 2: Convert to fraction form
    1,078,189,879.60/1,617,583,417.80 = 715,392,823.60/x
  3. Step 3: Cross multiply
    1,078,189,879.60x = 1,617,583,417.80 × 715,392,823.60
  4. Step 4: Simplify right side
    1,078,189,879.60x = 1,157,207,568,668,480,512
  5. Step 5: Solve for x
    x = 1,157,207,568,668,480,512/1,078,189,879.60
  6. Step 6: Final answer
    x = 1,073,287,359.27

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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.