Home / 30,556,746,975.32-45,835,109,674.92-8,171,913,537.84

Finding the Fourth Proportional to 30,556,746,975.32, 45,835,109,674.92 and 8,171,913,537.84

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Solution

The fourth proportional to 30,556,746,975.32, 45,835,109,674.92 and 8,171,913,537.84 is: 12,257,867,421.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,556,746,975.32 : 45,835,109,674.92 = 8,171,913,537.84 : x
  2. Step 2: Convert to fraction form
    30,556,746,975.32/45,835,109,674.92 = 8,171,913,537.84/x
  3. Step 3: Cross multiply
    30,556,746,975.32x = 45,835,109,674.92 × 8,171,913,537.84
  4. Step 4: Simplify right side
    30,556,746,975.32x = 374,560,553,260,859,916,288
  5. Step 5: Solve for x
    x = 374,560,553,260,859,916,288/30,556,746,975.32
  6. Step 6: Final answer
    x = 12,257,867,421.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.