Home / 3,931,490,835.72-5,898,064,485.42-1,275,339,515.45

Finding the Fourth Proportional to 3,931,490,835.72, 5,898,064,485.42 and 1,275,339,515.45

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Solution

The fourth proportional to 3,931,490,835.72, 5,898,064,485.42 and 1,275,339,515.45 is: 1,913,277,943.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,931,490,835.72 : 5,898,064,485.42 = 1,275,339,515.45 : x
  2. Step 2: Convert to fraction form
    3,931,490,835.72/5,898,064,485.42 = 1,275,339,515.45/x
  3. Step 3: Cross multiply
    3,931,490,835.72x = 5,898,064,485.42 × 1,275,339,515.45
  4. Step 4: Simplify right side
    3,931,490,835.72x = 7,522,034,702,898,906,112
  5. Step 5: Solve for x
    x = 7,522,034,702,898,906,112/3,931,490,835.72
  6. Step 6: Final answer
    x = 1,913,277,943.97

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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.