Home / 371,619,111.46-512,708,849.88-210,665,827.75

Finding the Fourth Proportional to 371,619,111.46, 512,708,849.88 and 210,665,827.75

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Solution

The fourth proportional to 371,619,111.46, 512,708,849.88 and 210,665,827.75 is: 290,647,684.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,619,111.46 : 512,708,849.88 = 210,665,827.75 : x
  2. Step 2: Convert to fraction form
    371,619,111.46/512,708,849.88 = 210,665,827.75/x
  3. Step 3: Cross multiply
    371,619,111.46x = 512,708,849.88 × 210,665,827.75
  4. Step 4: Simplify right side
    371,619,111.46x = 108,010,234,254,720,688
  5. Step 5: Solve for x
    x = 108,010,234,254,720,688/371,619,111.46
  6. Step 6: Final answer
    x = 290,647,684.48

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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.