Home / 692,089,635.42-955,089,652.95-394,746,938.82

Finding the Fourth Proportional to 692,089,635.42, 955,089,652.95 and 394,746,938.82

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Solution

The fourth proportional to 692,089,635.42, 955,089,652.95 and 394,746,938.82 is: 544,754,172.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,089,635.42 : 955,089,652.95 = 394,746,938.82 : x
  2. Step 2: Convert to fraction form
    692,089,635.42/955,089,652.95 = 394,746,938.82/x
  3. Step 3: Cross multiply
    692,089,635.42x = 955,089,652.95 × 394,746,938.82
  4. Step 4: Simplify right side
    692,089,635.42x = 377,018,716,800,668,672
  5. Step 5: Solve for x
    x = 377,018,716,800,668,672/692,089,635.42
  6. Step 6: Final answer
    x = 544,754,172.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.