Home / 386,551,709.03-533,436,874.42-210,336,668.32

Finding the Fourth Proportional to 386,551,709.03, 533,436,874.42 and 210,336,668.32

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Solution

The fourth proportional to 386,551,709.03, 533,436,874.42 and 210,336,668.32 is: 290,262,162.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,551,709.03 : 533,436,874.42 = 210,336,668.32 : x
  2. Step 2: Convert to fraction form
    386,551,709.03/533,436,874.42 = 210,336,668.32/x
  3. Step 3: Cross multiply
    386,551,709.03x = 533,436,874.42 × 210,336,668.32
  4. Step 4: Simplify right side
    386,551,709.03x = 112,201,334,922,677,600
  5. Step 5: Solve for x
    x = 112,201,334,922,677,600/386,551,709.03
  6. Step 6: Final answer
    x = 290,262,162.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.