Home / 264,695,998.40-397,043,997.60-203,473,995.20

Finding the Fourth Proportional to 264,695,998.40, 397,043,997.60 and 203,473,995.20

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Solution

The fourth proportional to 264,695,998.40, 397,043,997.60 and 203,473,995.20 is: 305,210,992.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,695,998.40 : 397,043,997.60 = 203,473,995.20 : x
  2. Step 2: Convert to fraction form
    264,695,998.40/397,043,997.60 = 203,473,995.20/x
  3. Step 3: Cross multiply
    264,695,998.40x = 397,043,997.60 × 203,473,995.20
  4. Step 4: Simplify right side
    264,695,998.40x = 80,788,128,461,851,216
  5. Step 5: Solve for x
    x = 80,788,128,461,851,216/264,695,998.40
  6. Step 6: Final answer
    x = 305,210,992.80

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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.