Home / 886,933,429.81-1,223,976,063.69-490,483,093.92

Finding the Fourth Proportional to 886,933,429.81, 1,223,976,063.69 and 490,483,093.92

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Solution

The fourth proportional to 886,933,429.81, 1,223,976,063.69 and 490,483,093.92 is: 676,871,055.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,933,429.81 : 1,223,976,063.69 = 490,483,093.92 : x
  2. Step 2: Convert to fraction form
    886,933,429.81/1,223,976,063.69 = 490,483,093.92/x
  3. Step 3: Cross multiply
    886,933,429.81x = 1,223,976,063.69 × 490,483,093.92
  4. Step 4: Simplify right side
    886,933,429.81x = 600,339,566,603,920,512
  5. Step 5: Solve for x
    x = 600,339,566,603,920,512/886,933,429.81
  6. Step 6: Final answer
    x = 676,871,055.29

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1.5x scale

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.