Home / 380,612,000.40-570,918,000.60-360,960,493.20

Finding the Fourth Proportional to 380,612,000.40, 570,918,000.60 and 360,960,493.20

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Solution

The fourth proportional to 380,612,000.40, 570,918,000.60 and 360,960,493.20 is: 541,440,739.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,612,000.40 : 570,918,000.60 = 360,960,493.20 : x
  2. Step 2: Convert to fraction form
    380,612,000.40/570,918,000.60 = 360,960,493.20/x
  3. Step 3: Cross multiply
    380,612,000.40x = 570,918,000.60 × 360,960,493.20
  4. Step 4: Simplify right side
    380,612,000.40x = 206,078,843,073,333,888
  5. Step 5: Solve for x
    x = 206,078,843,073,333,888/380,612,000.40
  6. Step 6: Final answer
    x = 541,440,739.80

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1.5x scale

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.