Home / 5,131,732,681.44-7,081,790,811.36-2,784,889,225.44

Finding the Fourth Proportional to 5,131,732,681.44, 7,081,790,811.36 and 2,784,889,225.44

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Solution

The fourth proportional to 5,131,732,681.44, 7,081,790,811.36 and 2,784,889,225.44 is: 3,843,146,974.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,131,732,681.44 : 7,081,790,811.36 = 2,784,889,225.44 : x
  2. Step 2: Convert to fraction form
    5,131,732,681.44/7,081,790,811.36 = 2,784,889,225.44/x
  3. Step 3: Cross multiply
    5,131,732,681.44x = 7,081,790,811.36 × 2,784,889,225.44
  4. Step 4: Simplify right side
    5,131,732,681.44x = 19,722,002,927,376,457,728
  5. Step 5: Solve for x
    x = 19,722,002,927,376,457,728/5,131,732,681.44
  6. Step 6: Final answer
    x = 3,843,146,974.26

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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.