Home / 386,828,676.29-533,818,565.91-210,614,650.49

Finding the Fourth Proportional to 386,828,676.29, 533,818,565.91 and 210,614,650.49

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Solution

The fourth proportional to 386,828,676.29, 533,818,565.91 and 210,614,650.49 is: 290,645,491.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,828,676.29 : 533,818,565.91 = 210,614,650.49 : x
  2. Step 2: Convert to fraction form
    386,828,676.29/533,818,565.91 = 210,614,650.49/x
  3. Step 3: Cross multiply
    386,828,676.29x = 533,818,565.91 × 210,614,650.49
  4. Step 4: Simplify right side
    386,828,676.29x = 112,430,010,684,207,696
  5. Step 5: Solve for x
    x = 112,430,010,684,207,696/386,828,676.29
  6. Step 6: Final answer
    x = 290,645,491.34

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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.