Home / 815,423,233.14-1,223,294,721.84-324,044,914.14

Finding the Fourth Proportional to 815,423,233.14, 1,223,294,721.84 and 324,044,914.14

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Solution

The fourth proportional to 815,423,233.14, 1,223,294,721.84 and 324,044,914.14 is: 486,130,903.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,423,233.14 : 1,223,294,721.84 = 324,044,914.14 : x
  2. Step 2: Convert to fraction form
    815,423,233.14/1,223,294,721.84 = 324,044,914.14/x
  3. Step 3: Cross multiply
    815,423,233.14x = 1,223,294,721.84 × 324,044,914.14
  4. Step 4: Simplify right side
    815,423,233.14x = 396,402,433,106,557,952
  5. Step 5: Solve for x
    x = 396,402,433,106,557,952/815,423,233.14
  6. Step 6: Final answer
    x = 486,130,903.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.