Home / 452,289,333.20-678,433,999.80-406,372,830.80

Finding the Fourth Proportional to 452,289,333.20, 678,433,999.80 and 406,372,830.80

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Solution

The fourth proportional to 452,289,333.20, 678,433,999.80 and 406,372,830.80 is: 609,559,246.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,289,333.20 : 678,433,999.80 = 406,372,830.80 : x
  2. Step 2: Convert to fraction form
    452,289,333.20/678,433,999.80 = 406,372,830.80/x
  3. Step 3: Cross multiply
    452,289,333.20x = 678,433,999.80 × 406,372,830.80
  4. Step 4: Simplify right side
    452,289,333.20x = 275,697,145,009,692,608
  5. Step 5: Solve for x
    x = 275,697,145,009,692,608/452,289,333.20
  6. Step 6: Final answer
    x = 609,559,246.20

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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.