Home / 386,331,103.35-533,275,598.39-229,697,836.67

Finding the Fourth Proportional to 386,331,103.35, 533,275,598.39 and 229,697,836.67

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Solution

The fourth proportional to 386,331,103.35, 533,275,598.39 and 229,697,836.67 is: 317,065,465.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,331,103.35 : 533,275,598.39 = 229,697,836.67 : x
  2. Step 2: Convert to fraction form
    386,331,103.35/533,275,598.39 = 229,697,836.67/x
  3. Step 3: Cross multiply
    386,331,103.35x = 533,275,598.39 × 229,697,836.67
  4. Step 4: Simplify right side
    386,331,103.35x = 122,492,251,299,267,440
  5. Step 5: Solve for x
    x = 122,492,251,299,267,440/386,331,103.35
  6. Step 6: Final answer
    x = 317,065,465.96

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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.