Home / 30,556,746,970.99-45,835,109,668.46-8,171,913,533.53

Finding the Fourth Proportional to 30,556,746,970.99, 45,835,109,668.46 and 8,171,913,533.53

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Solution

The fourth proportional to 30,556,746,970.99, 45,835,109,668.46 and 8,171,913,533.53 is: 12,257,867,415.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,556,746,970.99 : 45,835,109,668.46 = 8,171,913,533.53 : x
  2. Step 2: Convert to fraction form
    30,556,746,970.99/45,835,109,668.46 = 8,171,913,533.53/x
  3. Step 3: Cross multiply
    30,556,746,970.99x = 45,835,109,668.46 × 8,171,913,533.53
  4. Step 4: Simplify right side
    30,556,746,970.99x = 374,560,553,010,519,998,464
  5. Step 5: Solve for x
    x = 374,560,553,010,519,998,464/30,556,746,970.99
  6. Step 6: Final answer
    x = 12,257,867,415.21

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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.