Home / 406,860,306.80-610,290,460.20-130,510,986.80

Finding the Fourth Proportional to 406,860,306.80, 610,290,460.20 and 130,510,986.80

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Solution

The fourth proportional to 406,860,306.80, 610,290,460.20 and 130,510,986.80 is: 195,766,480.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,860,306.80 : 610,290,460.20 = 130,510,986.80 : x
  2. Step 2: Convert to fraction form
    406,860,306.80/610,290,460.20 = 130,510,986.80/x
  3. Step 3: Cross multiply
    406,860,306.80x = 610,290,460.20 × 130,510,986.80
  4. Step 4: Simplify right side
    406,860,306.80x = 79,649,610,195,328,128
  5. Step 5: Solve for x
    x = 79,649,610,195,328,128/406,860,306.80
  6. Step 6: Final answer
    x = 195,766,480.20

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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.