Home / 1,680,245,479.35-2,520,347,945.27-436,565,895.21

Finding the Fourth Proportional to 1,680,245,479.35, 2,520,347,945.27 and 436,565,895.21

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Solution

The fourth proportional to 1,680,245,479.35, 2,520,347,945.27 and 436,565,895.21 is: 654,843,575.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,680,245,479.35 : 2,520,347,945.27 = 436,565,895.21 : x
  2. Step 2: Convert to fraction form
    1,680,245,479.35/2,520,347,945.27 = 436,565,895.21/x
  3. Step 3: Cross multiply
    1,680,245,479.35x = 2,520,347,945.27 × 436,565,895.21
  4. Step 4: Simplify right side
    1,680,245,479.35x = 1,100,297,956,965,298,688
  5. Step 5: Solve for x
    x = 1,100,297,956,965,298,688/1,680,245,479.35
  6. Step 6: Final answer
    x = 654,843,575.23

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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.