Home / 868,633,701.20-1,303,139,508.60-286,268,843.60

Finding the Fourth Proportional to 868,633,701.20, 1,303,139,508.60 and 286,268,843.60

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Solution

The fourth proportional to 868,633,701.20, 1,303,139,508.60 and 286,268,843.60 is: 429,465,538.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,633,701.20 : 1,303,139,508.60 = 286,268,843.60 : x
  2. Step 2: Convert to fraction form
    868,633,701.20/1,303,139,508.60 = 286,268,843.60/x
  3. Step 3: Cross multiply
    868,633,701.20x = 1,303,139,508.60 × 286,268,843.60
  4. Step 4: Simplify right side
    868,633,701.20x = 373,048,240,176,394,240
  5. Step 5: Solve for x
    x = 373,048,240,176,394,240/868,633,701.20
  6. Step 6: Final answer
    x = 429,465,538.42

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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.