Home / 636,965,732,996.86-879,012,677,914.77-343,990,627,623.91

Finding the Fourth Proportional to 636,965,732,996.86, 879,012,677,914.77 and 343,990,627,623.91

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Solution

The fourth proportional to 636,965,732,996.86, 879,012,677,914.77 and 343,990,627,623.91 is: 474,707,047,964.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,965,732,996.86 : 879,012,677,914.77 = 343,990,627,623.91 : x
  2. Step 2: Convert to fraction form
    636,965,732,996.86/879,012,677,914.77 = 343,990,627,623.91/x
  3. Step 3: Cross multiply
    636,965,732,996.86x = 879,012,677,914.77 × 343,990,627,623.91
  4. Step 4: Simplify right side
    636,965,732,996.86x = 302,372,122,765,275,584,004,096
  5. Step 5: Solve for x
    x = 302,372,122,765,275,584,004,096/636,965,732,996.86
  6. Step 6: Final answer
    x = 474,707,047,964.17

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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.