Home / 3,931,490,836.47-5,898,064,486.55-1,275,339,516.20

Finding the Fourth Proportional to 3,931,490,836.47, 5,898,064,486.55 and 1,275,339,516.20

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Solution

The fourth proportional to 3,931,490,836.47, 5,898,064,486.55 and 1,275,339,516.20 is: 1,913,277,945.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,931,490,836.47 : 5,898,064,486.55 = 1,275,339,516.20 : x
  2. Step 2: Convert to fraction form
    3,931,490,836.47/5,898,064,486.55 = 1,275,339,516.20/x
  3. Step 3: Cross multiply
    3,931,490,836.47x = 5,898,064,486.55 × 1,275,339,516.20
  4. Step 4: Simplify right side
    3,931,490,836.47x = 7,522,034,708,757,211,136
  5. Step 5: Solve for x
    x = 7,522,034,708,757,211,136/3,931,490,836.47
  6. Step 6: Final answer
    x = 1,913,277,945.09

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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.