Home / 799,837,852.42-1,199,446,603.68-275,107,180.78

Finding the Fourth Proportional to 799,837,852.42, 1,199,446,603.68 and 275,107,180.78

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Solution

The fourth proportional to 799,837,852.42, 1,199,446,603.68 and 275,107,180.78 is: 412,554,085.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    799,837,852.42 : 1,199,446,603.68 = 275,107,180.78 : x
  2. Step 2: Convert to fraction form
    799,837,852.42/1,199,446,603.68 = 275,107,180.78/x
  3. Step 3: Cross multiply
    799,837,852.42x = 1,199,446,603.68 × 275,107,180.78
  4. Step 4: Simplify right side
    799,837,852.42x = 329,976,373,634,550,784
  5. Step 5: Solve for x
    x = 329,976,373,634,550,784/799,837,852.42
  6. Step 6: Final answer
    x = 412,554,085.35

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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.