Home / 19,020,443,342.31-28,505,845,888.36-10,626,009,896.91

Finding the Fourth Proportional to 19,020,443,342.31, 28,505,845,888.36 and 10,626,009,896.91

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Solution

The fourth proportional to 19,020,443,342.31, 28,505,845,888.36 and 10,626,009,896.91 is: 15,925,149,328.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,020,443,342.31 : 28,505,845,888.36 = 10,626,009,896.91 : x
  2. Step 2: Convert to fraction form
    19,020,443,342.31/28,505,845,888.36 = 10,626,009,896.91/x
  3. Step 3: Cross multiply
    19,020,443,342.31x = 28,505,845,888.36 × 10,626,009,896.91
  4. Step 4: Simplify right side
    19,020,443,342.31x = 302,903,400,529,504,567,296
  5. Step 5: Solve for x
    x = 302,903,400,529,504,567,296/19,020,443,342.31
  6. Step 6: Final answer
    x = 15,925,149,328.97

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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.