Home / 731,076,939.20-1,098,406,999.20-549,678,411.20

Finding the Fourth Proportional to 731,076,939.20, 1,098,406,999.20 and 549,678,411.20

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Solution

The fourth proportional to 731,076,939.20, 1,098,406,999.20 and 549,678,411.20 is: 825,864,668.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,076,939.20 : 1,098,406,999.20 = 549,678,411.20 : x
  2. Step 2: Convert to fraction form
    731,076,939.20/1,098,406,999.20 = 549,678,411.20/x
  3. Step 3: Cross multiply
    731,076,939.20x = 1,098,406,999.20 × 549,678,411.20
  4. Step 4: Simplify right side
    731,076,939.20x = 603,770,614,171,215,744
  5. Step 5: Solve for x
    x = 603,770,614,171,215,744/731,076,939.20
  6. Step 6: Final answer
    x = 825,864,668.68

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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.