Home / 395,996,380.32-546,502,625.80-261,801,144.01

Finding the Fourth Proportional to 395,996,380.32, 546,502,625.80 and 261,801,144.01

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Solution

The fourth proportional to 395,996,380.32, 546,502,625.80 and 261,801,144.01 is: 361,303,839.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,996,380.32 : 546,502,625.80 = 261,801,144.01 : x
  2. Step 2: Convert to fraction form
    395,996,380.32/546,502,625.80 = 261,801,144.01/x
  3. Step 3: Cross multiply
    395,996,380.32x = 546,502,625.80 × 261,801,144.01
  4. Step 4: Simplify right side
    395,996,380.32x = 143,075,012,635,866,224
  5. Step 5: Solve for x
    x = 143,075,012,635,866,224/395,996,380.32
  6. Step 6: Final answer
    x = 361,303,839.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.