Home / 636,965,732,937.78-879,012,677,833.05-343,990,627,564.62

Finding the Fourth Proportional to 636,965,732,937.78, 879,012,677,833.05 and 343,990,627,564.62

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Solution

The fourth proportional to 636,965,732,937.78, 879,012,677,833.05 and 343,990,627,564.62 is: 474,707,047,882.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,965,732,937.78 : 879,012,677,833.05 = 343,990,627,564.62 : x
  2. Step 2: Convert to fraction form
    636,965,732,937.78/879,012,677,833.05 = 343,990,627,564.62/x
  3. Step 3: Cross multiply
    636,965,732,937.78x = 879,012,677,833.05 × 343,990,627,564.62
  4. Step 4: Simplify right side
    636,965,732,937.78x = 302,372,122,685,048,010,833,920
  5. Step 5: Solve for x
    x = 302,372,122,685,048,010,833,920/636,965,732,937.78
  6. Step 6: Final answer
    x = 474,707,047,882.25

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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.