Home / 2,855,953,136.81-3,941,215,310.35-1,602,889,992.71

Finding the Fourth Proportional to 2,855,953,136.81, 3,941,215,310.35 and 1,602,889,992.71

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Solution

The fourth proportional to 2,855,953,136.81, 3,941,215,310.35 and 1,602,889,992.71 is: 2,211,988,179.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,855,953,136.81 : 3,941,215,310.35 = 1,602,889,992.71 : x
  2. Step 2: Convert to fraction form
    2,855,953,136.81/3,941,215,310.35 = 1,602,889,992.71/x
  3. Step 3: Cross multiply
    2,855,953,136.81x = 3,941,215,310.35 × 1,602,889,992.71
  4. Step 4: Simplify right side
    2,855,953,136.81x = 6,317,334,580,072,806,400
  5. Step 5: Solve for x
    x = 6,317,334,580,072,806,400/2,855,953,136.81
  6. Step 6: Final answer
    x = 2,211,988,179.58

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1.5x scale

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.