Home / 718,203,879.36-1,077,351,332.40-303,603,431.04

Finding the Fourth Proportional to 718,203,879.36, 1,077,351,332.40 and 303,603,431.04

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Solution

The fourth proportional to 718,203,879.36, 1,077,351,332.40 and 303,603,431.04 is: 455,424,386.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,203,879.36 : 1,077,351,332.40 = 303,603,431.04 : x
  2. Step 2: Convert to fraction form
    718,203,879.36/1,077,351,332.40 = 303,603,431.04/x
  3. Step 3: Cross multiply
    718,203,879.36x = 1,077,351,332.40 × 303,603,431.04
  4. Step 4: Simplify right side
    718,203,879.36x = 327,087,560,952,155,584
  5. Step 5: Solve for x
    x = 327,087,560,952,155,584/718,203,879.36
  6. Step 6: Final answer
    x = 455,424,386.24

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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.