Home / 12,480,114,293.93-18,708,452,969.31-4,193,205,977.45

Finding the Fourth Proportional to 12,480,114,293.93, 18,708,452,969.31 and 4,193,205,977.45

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Solution

The fourth proportional to 12,480,114,293.93, 18,708,452,969.31 and 4,193,205,977.45 is: 6,285,871,665.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,480,114,293.93 : 18,708,452,969.31 = 4,193,205,977.45 : x
  2. Step 2: Convert to fraction form
    12,480,114,293.93/18,708,452,969.31 = 4,193,205,977.45/x
  3. Step 3: Cross multiply
    12,480,114,293.93x = 18,708,452,969.31 × 4,193,205,977.45
  4. Step 4: Simplify right side
    12,480,114,293.93x = 78,448,396,819,799,670,784
  5. Step 5: Solve for x
    x = 78,448,396,819,799,670,784/12,480,114,293.93
  6. Step 6: Final answer
    x = 6,285,871,665.29

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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.