Home / 380,173,618.20-570,118,709.70-150,095,094.60

Finding the Fourth Proportional to 380,173,618.20, 570,118,709.70 and 150,095,094.60

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Solution

The fourth proportional to 380,173,618.20, 570,118,709.70 and 150,095,094.60 is: 225,086,690.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,173,618.20 : 570,118,709.70 = 150,095,094.60 : x
  2. Step 2: Convert to fraction form
    380,173,618.20/570,118,709.70 = 150,095,094.60/x
  3. Step 3: Cross multiply
    380,173,618.20x = 570,118,709.70 × 150,095,094.60
  4. Step 4: Simplify right side
    380,173,618.20x = 85,572,021,665,651,440
  5. Step 5: Solve for x
    x = 85,572,021,665,651,440/380,173,618.20
  6. Step 6: Final answer
    x = 225,086,690.84

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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.