Home / 868,633,563.20-1,303,139,301.60-286,268,705.60

Finding the Fourth Proportional to 868,633,563.20, 1,303,139,301.60 and 286,268,705.60

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Solution

The fourth proportional to 868,633,563.20, 1,303,139,301.60 and 286,268,705.60 is: 429,465,331.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,633,563.20 : 1,303,139,301.60 = 286,268,705.60 : x
  2. Step 2: Convert to fraction form
    868,633,563.20/1,303,139,301.60 = 286,268,705.60/x
  3. Step 3: Cross multiply
    868,633,563.20x = 1,303,139,301.60 × 286,268,705.60
  4. Step 4: Simplify right side
    868,633,563.20x = 373,048,001,085,520,000
  5. Step 5: Solve for x
    x = 373,048,001,085,520,000/868,633,563.20
  6. Step 6: Final answer
    x = 429,465,331.40

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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.