Home / 382,060,660.37-572,506,427.69-257,100,522.62

Finding the Fourth Proportional to 382,060,660.37, 572,506,427.69 and 257,100,522.62

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Solution

The fourth proportional to 382,060,660.37, 572,506,427.69 and 257,100,522.62 is: 385,257,413.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,060,660.37 : 572,506,427.69 = 257,100,522.62 : x
  2. Step 2: Convert to fraction form
    382,060,660.37/572,506,427.69 = 257,100,522.62/x
  3. Step 3: Cross multiply
    382,060,660.37x = 572,506,427.69 × 257,100,522.62
  4. Step 4: Simplify right side
    382,060,660.37x = 147,191,701,761,122,720
  5. Step 5: Solve for x
    x = 147,191,701,761,122,720/382,060,660.37
  6. Step 6: Final answer
    x = 385,257,413.36

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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.