Home / 815,673,372.03-1,125,590,134.10-463,202,805.15

Finding the Fourth Proportional to 815,673,372.03, 1,125,590,134.10 and 463,202,805.15

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Solution

The fourth proportional to 815,673,372.03, 1,125,590,134.10 and 463,202,805.15 is: 639,197,656.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,673,372.03 : 1,125,590,134.10 = 463,202,805.15 : x
  2. Step 2: Convert to fraction form
    815,673,372.03/1,125,590,134.10 = 463,202,805.15/x
  3. Step 3: Cross multiply
    815,673,372.03x = 1,125,590,134.10 × 463,202,805.15
  4. Step 4: Simplify right side
    815,673,372.03x = 521,376,507,561,968,640
  5. Step 5: Solve for x
    x = 521,376,507,561,968,640/815,673,372.03
  6. Step 6: Final answer
    x = 639,197,656.12

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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.