Home / 1,235,219,428.63-1,852,888,733.43-406,154,716.21

Finding the Fourth Proportional to 1,235,219,428.63, 1,852,888,733.43 and 406,154,716.21

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Solution

The fourth proportional to 1,235,219,428.63, 1,852,888,733.43 and 406,154,716.21 is: 609,251,668.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,219,428.63 : 1,852,888,733.43 = 406,154,716.21 : x
  2. Step 2: Convert to fraction form
    1,235,219,428.63/1,852,888,733.43 = 406,154,716.21/x
  3. Step 3: Cross multiply
    1,235,219,428.63x = 1,852,888,733.43 × 406,154,716.21
  4. Step 4: Simplify right side
    1,235,219,428.63x = 752,559,497,694,967,936
  5. Step 5: Solve for x
    x = 752,559,497,694,967,936/1,235,219,428.63
  6. Step 6: Final answer
    x = 609,251,668.37

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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.