Home / 636,965,733,016.64-879,012,677,942.02-343,990,627,643.72

Finding the Fourth Proportional to 636,965,733,016.64, 879,012,677,942.02 and 343,990,627,643.72

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Solution

The fourth proportional to 636,965,733,016.64, 879,012,677,942.02 and 343,990,627,643.72 is: 474,707,047,991.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,965,733,016.64 : 879,012,677,942.02 = 343,990,627,643.72 : x
  2. Step 2: Convert to fraction form
    636,965,733,016.64/879,012,677,942.02 = 343,990,627,643.72/x
  3. Step 3: Cross multiply
    636,965,733,016.64x = 879,012,677,942.02 × 343,990,627,643.72
  4. Step 4: Simplify right side
    636,965,733,016.64x = 302,372,122,792,062,556,831,744
  5. Step 5: Solve for x
    x = 302,372,122,792,062,556,831,744/636,965,733,016.64
  6. Step 6: Final answer
    x = 474,707,047,991.49

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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.