Home / 295,245,601.20-442,868,401.80-290,143,767.60

Finding the Fourth Proportional to 295,245,601.20, 442,868,401.80 and 290,143,767.60

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Solution

The fourth proportional to 295,245,601.20, 442,868,401.80 and 290,143,767.60 is: 435,215,651.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,245,601.20 : 442,868,401.80 = 290,143,767.60 : x
  2. Step 2: Convert to fraction form
    295,245,601.20/442,868,401.80 = 290,143,767.60/x
  3. Step 3: Cross multiply
    295,245,601.20x = 442,868,401.80 × 290,143,767.60
  4. Step 4: Simplify right side
    295,245,601.20x = 128,495,506,649,242,640
  5. Step 5: Solve for x
    x = 128,495,506,649,242,640/295,245,601.20
  6. Step 6: Final answer
    x = 435,215,651.40

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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.