Home / 12,239,231,421.60-18,358,847,132.40-3,964,057,322.40

Finding the Fourth Proportional to 12,239,231,421.60, 18,358,847,132.40 and 3,964,057,322.40

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Solution

The fourth proportional to 12,239,231,421.60, 18,358,847,132.40 and 3,964,057,322.40 is: 5,946,085,983.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,239,231,421.60 : 18,358,847,132.40 = 3,964,057,322.40 : x
  2. Step 2: Convert to fraction form
    12,239,231,421.60/18,358,847,132.40 = 3,964,057,322.40/x
  3. Step 3: Cross multiply
    12,239,231,421.60x = 18,358,847,132.40 × 3,964,057,322.40
  4. Step 4: Simplify right side
    12,239,231,421.60x = 72,775,522,406,012,469,248
  5. Step 5: Solve for x
    x = 72,775,522,406,012,469,248/12,239,231,421.60
  6. Step 6: Final answer
    x = 5,946,085,983.60

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1.5x scale

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.