Home / 516,330,993.98-712,518,673.70-281,376,860.06

Finding the Fourth Proportional to 516,330,993.98, 712,518,673.70 and 281,376,860.06

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Solution

The fourth proportional to 516,330,993.98, 712,518,673.70 and 281,376,860.06 is: 388,290,204.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,330,993.98 : 712,518,673.70 = 281,376,860.06 : x
  2. Step 2: Convert to fraction form
    516,330,993.98/712,518,673.70 = 281,376,860.06/x
  3. Step 3: Cross multiply
    516,330,993.98x = 712,518,673.70 × 281,376,860.06
  4. Step 4: Simplify right side
    516,330,993.98x = 200,486,267,139,821,728
  5. Step 5: Solve for x
    x = 200,486,267,139,821,728/516,330,993.98
  6. Step 6: Final answer
    x = 388,290,204.30

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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.