Home / 420,050,131.80-628,563,543.30-284,001,235.80

Finding the Fourth Proportional to 420,050,131.80, 628,563,543.30 and 284,001,235.80

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Solution

The fourth proportional to 420,050,131.80, 628,563,543.30 and 284,001,235.80 is: 424,979,804.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,050,131.80 : 628,563,543.30 = 284,001,235.80 : x
  2. Step 2: Convert to fraction form
    420,050,131.80/628,563,543.30 = 284,001,235.80/x
  3. Step 3: Cross multiply
    420,050,131.80x = 628,563,543.30 × 284,001,235.80
  4. Step 4: Simplify right side
    420,050,131.80x = 178,512,823,076,026,816
  5. Step 5: Solve for x
    x = 178,512,823,076,026,816/420,050,131.80
  6. Step 6: Final answer
    x = 424,979,804.94

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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.