Home / 487,967,190.43-673,406,422.31-264,958,271.45

Finding the Fourth Proportional to 487,967,190.43, 673,406,422.31 and 264,958,271.45

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Solution

The fourth proportional to 487,967,190.43, 673,406,422.31 and 264,958,271.45 is: 365,648,767.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,967,190.43 : 673,406,422.31 = 264,958,271.45 : x
  2. Step 2: Convert to fraction form
    487,967,190.43/673,406,422.31 = 264,958,271.45/x
  3. Step 3: Cross multiply
    487,967,190.43x = 673,406,422.31 × 264,958,271.45
  4. Step 4: Simplify right side
    487,967,190.43x = 178,424,601,638,945,024
  5. Step 5: Solve for x
    x = 178,424,601,638,945,024/487,967,190.43
  6. Step 6: Final answer
    x = 365,648,767.25

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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.