Home / 321,539,882,730.16-443,396,142,082.38-213,115,332,425.44

Finding the Fourth Proportional to 321,539,882,730.16, 443,396,142,082.38 and 213,115,332,425.44

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Solution

The fourth proportional to 321,539,882,730.16, 443,396,142,082.38 and 213,115,332,425.44 is: 293,881,167,753.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,539,882,730.16 : 443,396,142,082.38 = 213,115,332,425.44 : x
  2. Step 2: Convert to fraction form
    321,539,882,730.16/443,396,142,082.38 = 213,115,332,425.44/x
  3. Step 3: Cross multiply
    321,539,882,730.16x = 443,396,142,082.38 × 213,115,332,425.44
  4. Step 4: Simplify right side
    321,539,882,730.16x = 94,494,516,216,044,038,651,904
  5. Step 5: Solve for x
    x = 94,494,516,216,044,038,651,904/321,539,882,730.16
  6. Step 6: Final answer
    x = 293,881,167,753.44

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1.5x scale

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.