Home / 636,965,732,930.28-879,012,677,822.68-343,990,627,557.12

Finding the Fourth Proportional to 636,965,732,930.28, 879,012,677,822.68 and 343,990,627,557.12

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Solution

The fourth proportional to 636,965,732,930.28, 879,012,677,822.68 and 343,990,627,557.12 is: 474,707,047,871.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,965,732,930.28 : 879,012,677,822.68 = 343,990,627,557.12 : x
  2. Step 2: Convert to fraction form
    636,965,732,930.28/879,012,677,822.68 = 343,990,627,557.12/x
  3. Step 3: Cross multiply
    636,965,732,930.28x = 879,012,677,822.68 × 343,990,627,557.12
  4. Step 4: Simplify right side
    636,965,732,930.28x = 302,372,122,674,888,265,695,232
  5. Step 5: Solve for x
    x = 302,372,122,674,888,265,695,232/636,965,732,930.28
  6. Step 6: Final answer
    x = 474,707,047,871.89

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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.