Home / 331,775,998.80-497,663,998.20-307,589,528.40

Finding the Fourth Proportional to 331,775,998.80, 497,663,998.20 and 307,589,528.40

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Solution

The fourth proportional to 331,775,998.80, 497,663,998.20 and 307,589,528.40 is: 461,384,292.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,775,998.80 : 497,663,998.20 = 307,589,528.40 : x
  2. Step 2: Convert to fraction form
    331,775,998.80/497,663,998.20 = 307,589,528.40/x
  3. Step 3: Cross multiply
    331,775,998.80x = 497,663,998.20 × 307,589,528.40
  4. Step 4: Simplify right side
    331,775,998.80x = 153,076,234,507,996,448
  5. Step 5: Solve for x
    x = 153,076,234,507,996,448/331,775,998.80
  6. Step 6: Final answer
    x = 461,384,292.60

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1.5x scale

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.