Home / 936,109,507.78-1,291,209,090.60-602,004,425.44

Finding the Fourth Proportional to 936,109,507.78, 1,291,209,090.60 and 602,004,425.44

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Solution

The fourth proportional to 936,109,507.78, 1,291,209,090.60 and 602,004,425.44 is: 830,366,084.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,109,507.78 : 1,291,209,090.60 = 602,004,425.44 : x
  2. Step 2: Convert to fraction form
    936,109,507.78/1,291,209,090.60 = 602,004,425.44/x
  3. Step 3: Cross multiply
    936,109,507.78x = 1,291,209,090.60 × 602,004,425.44
  4. Step 4: Simplify right side
    936,109,507.78x = 777,313,586,709,557,888
  5. Step 5: Solve for x
    x = 777,313,586,709,557,888/936,109,507.78
  6. Step 6: Final answer
    x = 830,366,084.58

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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.