Home / 298,210,926,679.82-411,532,335,627.92-168,001,343,626.94

Finding the Fourth Proportional to 298,210,926,679.82, 411,532,335,627.92 and 168,001,343,626.94

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Solution

The fourth proportional to 298,210,926,679.82, 411,532,335,627.92 and 168,001,343,626.94 is: 231,842,562,246.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,210,926,679.82 : 411,532,335,627.92 = 168,001,343,626.94 : x
  2. Step 2: Convert to fraction form
    298,210,926,679.82/411,532,335,627.92 = 168,001,343,626.94/x
  3. Step 3: Cross multiply
    298,210,926,679.82x = 411,532,335,627.92 × 168,001,343,626.94
  4. Step 4: Simplify right side
    298,210,926,679.82x = 69,137,985,331,423,392,825,344
  5. Step 5: Solve for x
    x = 69,137,985,331,423,392,825,344/298,210,926,679.82
  6. Step 6: Final answer
    x = 231,842,562,246.74

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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.