Home / 21,295,224,968.52-31,945,742,955.18-8,870,649,893.58

Finding the Fourth Proportional to 21,295,224,968.52, 31,945,742,955.18 and 8,870,649,893.58

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Solution

The fourth proportional to 21,295,224,968.52, 31,945,742,955.18 and 8,870,649,893.58 is: 13,307,185,144.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,295,224,968.52 : 31,945,742,955.18 = 8,870,649,893.58 : x
  2. Step 2: Convert to fraction form
    21,295,224,968.52/31,945,742,955.18 = 8,870,649,893.58/x
  3. Step 3: Cross multiply
    21,295,224,968.52x = 31,945,742,955.18 × 8,870,649,893.58
  4. Step 4: Simplify right side
    21,295,224,968.52x = 283,379,501,345,701,494,784
  5. Step 5: Solve for x
    x = 283,379,501,345,701,494,784/21,295,224,968.52
  6. Step 6: Final answer
    x = 13,307,185,144.30

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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.