Home / 442,868,016.80-664,302,025.20-435,215,266.40

Finding the Fourth Proportional to 442,868,016.80, 664,302,025.20 and 435,215,266.40

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Solution

The fourth proportional to 442,868,016.80, 664,302,025.20 and 435,215,266.40 is: 652,822,899.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,868,016.80 : 664,302,025.20 = 435,215,266.40 : x
  2. Step 2: Convert to fraction form
    442,868,016.80/664,302,025.20 = 435,215,266.40/x
  3. Step 3: Cross multiply
    442,868,016.80x = 664,302,025.20 × 435,215,266.40
  4. Step 4: Simplify right side
    442,868,016.80x = 289,114,382,867,477,504
  5. Step 5: Solve for x
    x = 289,114,382,867,477,504/442,868,016.80
  6. Step 6: Final answer
    x = 652,822,899.60

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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.