Home / 1,315,512,801.84-1,973,115,601.20-528,534,597.12

Finding the Fourth Proportional to 1,315,512,801.84, 1,973,115,601.20 and 528,534,597.12

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Solution

The fourth proportional to 1,315,512,801.84, 1,973,115,601.20 and 528,534,597.12 is: 792,740,183.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,315,512,801.84 : 1,973,115,601.20 = 528,534,597.12 : x
  2. Step 2: Convert to fraction form
    1,315,512,801.84/1,973,115,601.20 = 528,534,597.12/x
  3. Step 3: Cross multiply
    1,315,512,801.84x = 1,973,115,601.20 × 528,534,597.12
  4. Step 4: Simplify right side
    1,315,512,801.84x = 1,042,859,859,351,428,608
  5. Step 5: Solve for x
    x = 1,042,859,859,351,428,608/1,315,512,801.84
  6. Step 6: Final answer
    x = 792,740,183.06

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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.