Home / 408,290,738.10-612,436,107.15-366,200,610.90

Finding the Fourth Proportional to 408,290,738.10, 612,436,107.15 and 366,200,610.90

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Solution

The fourth proportional to 408,290,738.10, 612,436,107.15 and 366,200,610.90 is: 549,300,916.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,290,738.10 : 612,436,107.15 = 366,200,610.90 : x
  2. Step 2: Convert to fraction form
    408,290,738.10/612,436,107.15 = 366,200,610.90/x
  3. Step 3: Cross multiply
    408,290,738.10x = 612,436,107.15 × 366,200,610.90
  4. Step 4: Simplify right side
    408,290,738.10x = 224,274,476,575,547,840
  5. Step 5: Solve for x
    x = 224,274,476,575,547,840/408,290,738.10
  6. Step 6: Final answer
    x = 549,300,916.35

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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.