Home / 1,072,473,239.23-1,608,680,121-285,533,643.59

Finding the Fourth Proportional to 1,072,473,239.23, 1,608,680,121 and 285,533,643.59

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Solution

The fourth proportional to 1,072,473,239.23, 1,608,680,121 and 285,533,643.59 is: 428,292,548.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,072,473,239.23 : 1,608,680,121 = 285,533,643.59 : x
  2. Step 2: Convert to fraction form
    1,072,473,239.23/1,608,680,121 = 285,533,643.59/x
  3. Step 3: Cross multiply
    1,072,473,239.23x = 1,608,680,121 × 285,533,643.59
  4. Step 4: Simplify right side
    1,072,473,239.23x = 459,332,296,319,932,032
  5. Step 5: Solve for x
    x = 459,332,296,319,932,032/1,072,473,239.23
  6. Step 6: Final answer
    x = 428,292,548.03

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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.