Home / 1,544,919,745.77-2,131,730,784-909,966,660.66

Finding the Fourth Proportional to 1,544,919,745.77, 2,131,730,784 and 909,966,660.66

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Solution

The fourth proportional to 1,544,919,745.77, 2,131,730,784 and 909,966,660.66 is: 1,255,601,754.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,544,919,745.77 : 2,131,730,784 = 909,966,660.66 : x
  2. Step 2: Convert to fraction form
    1,544,919,745.77/2,131,730,784 = 909,966,660.66/x
  3. Step 3: Cross multiply
    1,544,919,745.77x = 2,131,730,784 × 909,966,660.66
  4. Step 4: Simplify right side
    1,544,919,745.77x = 1,939,803,942,942,603,776
  5. Step 5: Solve for x
    x = 1,939,803,942,942,603,776/1,544,919,745.77
  6. Step 6: Final answer
    x = 1,255,601,754.24

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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.