Home / 1,036,253,712.47-1,555,079,962.53-405,907,583.23

Finding the Fourth Proportional to 1,036,253,712.47, 1,555,079,962.53 and 405,907,583.23

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Solution

The fourth proportional to 1,036,253,712.47, 1,555,079,962.53 and 405,907,583.23 is: 609,135,332.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,253,712.47 : 1,555,079,962.53 = 405,907,583.23 : x
  2. Step 2: Convert to fraction form
    1,036,253,712.47/1,555,079,962.53 = 405,907,583.23/x
  3. Step 3: Cross multiply
    1,036,253,712.47x = 1,555,079,962.53 × 405,907,583.23
  4. Step 4: Simplify right side
    1,036,253,712.47x = 631,218,749,319,951,232
  5. Step 5: Solve for x
    x = 631,218,749,319,951,232/1,036,253,712.47
  6. Step 6: Final answer
    x = 609,135,332.13

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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.