Home / 886,933,465.65-1,223,976,113.16-490,483,129.77

Finding the Fourth Proportional to 886,933,465.65, 1,223,976,113.16 and 490,483,129.77

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Solution

The fourth proportional to 886,933,465.65, 1,223,976,113.16 and 490,483,129.77 is: 676,871,104.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,933,465.65 : 1,223,976,113.16 = 490,483,129.77 : x
  2. Step 2: Convert to fraction form
    886,933,465.65/1,223,976,113.16 = 490,483,129.77/x
  3. Step 3: Cross multiply
    886,933,465.65x = 1,223,976,113.16 × 490,483,129.77
  4. Step 4: Simplify right side
    886,933,465.65x = 600,339,634,746,436,480
  5. Step 5: Solve for x
    x = 600,339,634,746,436,480/886,933,465.65
  6. Step 6: Final answer
    x = 676,871,104.76

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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.