Home / 384,990,007.60-577,568,992.20-112,338,564.40

Finding the Fourth Proportional to 384,990,007.60, 577,568,992.20 and 112,338,564.40

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Solution

The fourth proportional to 384,990,007.60, 577,568,992.20 and 112,338,564.40 is: 168,532,351.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,990,007.60 : 577,568,992.20 = 112,338,564.40 : x
  2. Step 2: Convert to fraction form
    384,990,007.60/577,568,992.20 = 112,338,564.40/x
  3. Step 3: Cross multiply
    384,990,007.60x = 577,568,992.20 × 112,338,564.40
  4. Step 4: Simplify right side
    384,990,007.60x = 64,883,271,425,702,808
  5. Step 5: Solve for x
    x = 64,883,271,425,702,808/384,990,007.60
  6. Step 6: Final answer
    x = 168,532,351.87

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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.