Home / 505,526,798.40-758,290,197.60-447,076,161.60

Finding the Fourth Proportional to 505,526,798.40, 758,290,197.60 and 447,076,161.60

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Solution

The fourth proportional to 505,526,798.40, 758,290,197.60 and 447,076,161.60 is: 670,614,242.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,526,798.40 : 758,290,197.60 = 447,076,161.60 : x
  2. Step 2: Convert to fraction form
    505,526,798.40/758,290,197.60 = 447,076,161.60/x
  3. Step 3: Cross multiply
    505,526,798.40x = 758,290,197.60 × 447,076,161.60
  4. Step 4: Simplify right side
    505,526,798.40x = 339,013,470,921,913,536
  5. Step 5: Solve for x
    x = 339,013,470,921,913,536/505,526,798.40
  6. Step 6: Final answer
    x = 670,614,242.40

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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.