Home / 1,213,455,234.30-1,820,182,851.45-1,201,361,999.10

Finding the Fourth Proportional to 1,213,455,234.30, 1,820,182,851.45 and 1,201,361,999.10

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Solution

The fourth proportional to 1,213,455,234.30, 1,820,182,851.45 and 1,201,361,999.10 is: 1,802,042,998.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,455,234.30 : 1,820,182,851.45 = 1,201,361,999.10 : x
  2. Step 2: Convert to fraction form
    1,213,455,234.30/1,820,182,851.45 = 1,201,361,999.10/x
  3. Step 3: Cross multiply
    1,213,455,234.30x = 1,820,182,851.45 × 1,201,361,999.10
  4. Step 4: Simplify right side
    1,213,455,234.30x = 2,186,698,509,145,510,144
  5. Step 5: Solve for x
    x = 2,186,698,509,145,510,144/1,213,455,234.30
  6. Step 6: Final answer
    x = 1,802,042,998.65

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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.