Home / 330,938,802.40-496,408,203.60-167,680,127.20

Finding the Fourth Proportional to 330,938,802.40, 496,408,203.60 and 167,680,127.20

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Solution

The fourth proportional to 330,938,802.40, 496,408,203.60 and 167,680,127.20 is: 251,520,190.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,938,802.40 : 496,408,203.60 = 167,680,127.20 : x
  2. Step 2: Convert to fraction form
    330,938,802.40/496,408,203.60 = 167,680,127.20/x
  3. Step 3: Cross multiply
    330,938,802.40x = 496,408,203.60 × 167,680,127.20
  4. Step 4: Simplify right side
    330,938,802.40x = 83,237,790,722,771,504
  5. Step 5: Solve for x
    x = 83,237,790,722,771,504/330,938,802.40
  6. Step 6: Final answer
    x = 251,520,190.80

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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.