Home / 521,604,010.20-782,406,015.30-337,938,000.60

Finding the Fourth Proportional to 521,604,010.20, 782,406,015.30 and 337,938,000.60

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Solution

The fourth proportional to 521,604,010.20, 782,406,015.30 and 337,938,000.60 is: 506,907,000.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,604,010.20 : 782,406,015.30 = 337,938,000.60 : x
  2. Step 2: Convert to fraction form
    521,604,010.20/782,406,015.30 = 337,938,000.60/x
  3. Step 3: Cross multiply
    521,604,010.20x = 782,406,015.30 × 337,938,000.60
  4. Step 4: Simplify right side
    521,604,010.20x = 264,404,724,467,895,008
  5. Step 5: Solve for x
    x = 264,404,724,467,895,008/521,604,010.20
  6. Step 6: Final answer
    x = 506,907,000.90

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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.