Home / 1,360,413,137.88-2,040,943,509.36-440,289,477.72

Finding the Fourth Proportional to 1,360,413,137.88, 2,040,943,509.36 and 440,289,477.72

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Solution

The fourth proportional to 1,360,413,137.88, 2,040,943,509.36 and 440,289,477.72 is: 660,539,013.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,360,413,137.88 : 2,040,943,509.36 = 440,289,477.72 : x
  2. Step 2: Convert to fraction form
    1,360,413,137.88/2,040,943,509.36 = 440,289,477.72/x
  3. Step 3: Cross multiply
    1,360,413,137.88x = 2,040,943,509.36 × 440,289,477.72
  4. Step 4: Simplify right side
    1,360,413,137.88x = 898,605,951,792,138,368
  5. Step 5: Solve for x
    x = 898,605,951,792,138,368/1,360,413,137.88
  6. Step 6: Final answer
    x = 660,539,013.31

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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.