Home / 636,965,732,919.68-879,012,677,807.74-343,990,627,546.34

Finding the Fourth Proportional to 636,965,732,919.68, 879,012,677,807.74 and 343,990,627,546.34

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Solution

The fourth proportional to 636,965,732,919.68, 879,012,677,807.74 and 343,990,627,546.34 is: 474,707,047,856.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,965,732,919.68 : 879,012,677,807.74 = 343,990,627,546.34 : x
  2. Step 2: Convert to fraction form
    636,965,732,919.68/879,012,677,807.74 = 343,990,627,546.34/x
  3. Step 3: Cross multiply
    636,965,732,919.68x = 879,012,677,807.74 × 343,990,627,546.34
  4. Step 4: Simplify right side
    636,965,732,919.68x = 302,372,122,660,273,297,293,312
  5. Step 5: Solve for x
    x = 302,372,122,660,273,297,293,312/636,965,732,919.68
  6. Step 6: Final answer
    x = 474,707,047,856.85

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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.