Home / 21,220,090,610.93-29,283,816,083.76-11,575,030,769.52

Finding the Fourth Proportional to 21,220,090,610.93, 29,283,816,083.76 and 11,575,030,769.52

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Solution

The fourth proportional to 21,220,090,610.93, 29,283,816,083.76 and 11,575,030,769.52 is: 15,973,592,122.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,220,090,610.93 : 29,283,816,083.76 = 11,575,030,769.52 : x
  2. Step 2: Convert to fraction form
    21,220,090,610.93/29,283,816,083.76 = 11,575,030,769.52/x
  3. Step 3: Cross multiply
    21,220,090,610.93x = 29,283,816,083.76 × 11,575,030,769.52
  4. Step 4: Simplify right side
    21,220,090,610.93x = 338,961,072,218,282,393,600
  5. Step 5: Solve for x
    x = 338,961,072,218,282,393,600/21,220,090,610.93
  6. Step 6: Final answer
    x = 15,973,592,122.35

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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.