Home / 306,518,139.40-459,777,209.10-273,261,742.60

Finding the Fourth Proportional to 306,518,139.40, 459,777,209.10 and 273,261,742.60

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Solution

The fourth proportional to 306,518,139.40, 459,777,209.10 and 273,261,742.60 is: 409,892,613.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,518,139.40 : 459,777,209.10 = 273,261,742.60 : x
  2. Step 2: Convert to fraction form
    306,518,139.40/459,777,209.10 = 273,261,742.60/x
  3. Step 3: Cross multiply
    306,518,139.40x = 459,777,209.10 × 273,261,742.60
  4. Step 4: Simplify right side
    306,518,139.40x = 125,639,521,366,430,592
  5. Step 5: Solve for x
    x = 125,639,521,366,430,592/306,518,139.40
  6. Step 6: Final answer
    x = 409,892,613.90

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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.