Home / 786,833,911.06-1,085,926,012.48-447,824,811.75

Finding the Fourth Proportional to 786,833,911.06, 1,085,926,012.48 and 447,824,811.75

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Solution

The fourth proportional to 786,833,911.06, 1,085,926,012.48 and 447,824,811.75 is: 618,052,431.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,833,911.06 : 1,085,926,012.48 = 447,824,811.75 : x
  2. Step 2: Convert to fraction form
    786,833,911.06/1,085,926,012.48 = 447,824,811.75/x
  3. Step 3: Cross multiply
    786,833,911.06x = 1,085,926,012.48 × 447,824,811.75
  4. Step 4: Simplify right side
    786,833,911.06x = 486,304,612,111,151,552
  5. Step 5: Solve for x
    x = 486,304,612,111,151,552/786,833,911.06
  6. Step 6: Final answer
    x = 618,052,431.75

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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.