Home / 399,175,964.40-598,763,946.60-340,725,327.60

Finding the Fourth Proportional to 399,175,964.40, 598,763,946.60 and 340,725,327.60

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Solution

The fourth proportional to 399,175,964.40, 598,763,946.60 and 340,725,327.60 is: 511,087,991.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,175,964.40 : 598,763,946.60 = 340,725,327.60 : x
  2. Step 2: Convert to fraction form
    399,175,964.40/598,763,946.60 = 340,725,327.60/x
  3. Step 3: Cross multiply
    399,175,964.40x = 598,763,946.60 × 340,725,327.60
  4. Step 4: Simplify right side
    399,175,964.40x = 204,014,041,860,353,920
  5. Step 5: Solve for x
    x = 204,014,041,860,353,920/399,175,964.40
  6. Step 6: Final answer
    x = 511,087,991.40

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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.