Home / 3,938,714,925.21-5,435,556,241.12-2,154,527,548.23

Finding the Fourth Proportional to 3,938,714,925.21, 5,435,556,241.12 and 2,154,527,548.23

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Solution

The fourth proportional to 3,938,714,925.21, 5,435,556,241.12 and 2,154,527,548.23 is: 2,973,318,933.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,938,714,925.21 : 5,435,556,241.12 = 2,154,527,548.23 : x
  2. Step 2: Convert to fraction form
    3,938,714,925.21/5,435,556,241.12 = 2,154,527,548.23/x
  3. Step 3: Cross multiply
    3,938,714,925.21x = 5,435,556,241.12 × 2,154,527,548.23
  4. Step 4: Simplify right side
    3,938,714,925.21x = 11,711,055,661,448,259,584
  5. Step 5: Solve for x
    x = 11,711,055,661,448,259,584/3,938,714,925.21
  6. Step 6: Final answer
    x = 2,973,318,933.67

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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.