Home / 419,146,630,483.69-628,825,750,981.60-116,958,979,387.49

Finding the Fourth Proportional to 419,146,630,483.69, 628,825,750,981.60 and 116,958,979,387.49

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Solution

The fourth proportional to 419,146,630,483.69, 628,825,750,981.60 and 116,958,979,387.49 is: 175,467,993,056.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,146,630,483.69 : 628,825,750,981.60 = 116,958,979,387.49 : x
  2. Step 2: Convert to fraction form
    419,146,630,483.69/628,825,750,981.60 = 116,958,979,387.49/x
  3. Step 3: Cross multiply
    419,146,630,483.69x = 628,825,750,981.60 × 116,958,979,387.49
  4. Step 4: Simplify right side
    419,146,630,483.69x = 73,546,818,047,379,878,445,056
  5. Step 5: Solve for x
    x = 73,546,818,047,379,878,445,056/419,146,630,483.69
  6. Step 6: Final answer
    x = 175,467,993,056.53

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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.