Home / 30,556,746,968.99-45,835,109,665.46-8,171,913,531.53

Finding the Fourth Proportional to 30,556,746,968.99, 45,835,109,665.46 and 8,171,913,531.53

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Solution

The fourth proportional to 30,556,746,968.99, 45,835,109,665.46 and 8,171,913,531.53 is: 12,257,867,412.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,556,746,968.99 : 45,835,109,665.46 = 8,171,913,531.53 : x
  2. Step 2: Convert to fraction form
    30,556,746,968.99/45,835,109,665.46 = 8,171,913,531.53/x
  3. Step 3: Cross multiply
    30,556,746,968.99x = 45,835,109,665.46 × 8,171,913,531.53
  4. Step 4: Simplify right side
    30,556,746,968.99x = 374,560,552,894,171,054,080
  5. Step 5: Solve for x
    x = 374,560,552,894,171,054,080/30,556,746,968.99
  6. Step 6: Final answer
    x = 12,257,867,412.20

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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.