Home / 380,094,787.74-570,357,861.09-205,215,492.90

Finding the Fourth Proportional to 380,094,787.74, 570,357,861.09 and 205,215,492.90

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Solution

The fourth proportional to 380,094,787.74, 570,357,861.09 and 205,215,492.90 is: 307,939,686.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,094,787.74 : 570,357,861.09 = 205,215,492.90 : x
  2. Step 2: Convert to fraction form
    380,094,787.74/570,357,861.09 = 205,215,492.90/x
  3. Step 3: Cross multiply
    380,094,787.74x = 570,357,861.09 × 205,215,492.90
  4. Step 4: Simplify right side
    380,094,787.74x = 117,046,269,592,974,096
  5. Step 5: Solve for x
    x = 117,046,269,592,974,096/380,094,787.74
  6. Step 6: Final answer
    x = 307,939,686.02

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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.