Home / 987,228,237.60-1,480,842,356.40-331,961,484.60

Finding the Fourth Proportional to 987,228,237.60, 1,480,842,356.40 and 331,961,484.60

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Solution

The fourth proportional to 987,228,237.60, 1,480,842,356.40 and 331,961,484.60 is: 497,942,226.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,228,237.60 : 1,480,842,356.40 = 331,961,484.60 : x
  2. Step 2: Convert to fraction form
    987,228,237.60/1,480,842,356.40 = 331,961,484.60/x
  3. Step 3: Cross multiply
    987,228,237.60x = 1,480,842,356.40 × 331,961,484.60
  4. Step 4: Simplify right side
    987,228,237.60x = 491,582,627,089,106,368
  5. Step 5: Solve for x
    x = 491,582,627,089,106,368/987,228,237.60
  6. Step 6: Final answer
    x = 497,942,226.90

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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.