Home / 426,302,802.20-638,795,083.17-332,707,853.15

Finding the Fourth Proportional to 426,302,802.20, 638,795,083.17 and 332,707,853.15

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Solution

The fourth proportional to 426,302,802.20, 638,795,083.17 and 332,707,853.15 is: 498,547,369.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,302,802.20 : 638,795,083.17 = 332,707,853.15 : x
  2. Step 2: Convert to fraction form
    426,302,802.20/638,795,083.17 = 332,707,853.15/x
  3. Step 3: Cross multiply
    426,302,802.20x = 638,795,083.17 × 332,707,853.15
  4. Step 4: Simplify right side
    426,302,802.20x = 212,532,140,721,072,384
  5. Step 5: Solve for x
    x = 212,532,140,721,072,384/426,302,802.20
  6. Step 6: Final answer
    x = 498,547,369.68

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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.