Home / 354,315,454.40-531,473,181.60-262,482,449.60

Finding the Fourth Proportional to 354,315,454.40, 531,473,181.60 and 262,482,449.60

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Solution

The fourth proportional to 354,315,454.40, 531,473,181.60 and 262,482,449.60 is: 393,723,674.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,315,454.40 : 531,473,181.60 = 262,482,449.60 : x
  2. Step 2: Convert to fraction form
    354,315,454.40/531,473,181.60 = 262,482,449.60/x
  3. Step 3: Cross multiply
    354,315,454.40x = 531,473,181.60 × 262,482,449.60
  4. Step 4: Simplify right side
    354,315,454.40x = 139,502,382,603,073,648
  5. Step 5: Solve for x
    x = 139,502,382,603,073,648/354,315,454.40
  6. Step 6: Final answer
    x = 393,723,674.40

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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.