Home / 21,309,684,349.76-29,405,371,862.40-12,734,409,233.60

Finding the Fourth Proportional to 21,309,684,349.76, 29,405,371,862.40 and 12,734,409,233.60

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Solution

The fourth proportional to 21,309,684,349.76, 29,405,371,862.40 and 12,734,409,233.60 is: 17,572,294,024.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,309,684,349.76 : 29,405,371,862.40 = 12,734,409,233.60 : x
  2. Step 2: Convert to fraction form
    21,309,684,349.76/29,405,371,862.40 = 12,734,409,233.60/x
  3. Step 3: Cross multiply
    21,309,684,349.76x = 29,405,371,862.40 × 12,734,409,233.60
  4. Step 4: Simplify right side
    21,309,684,349.76x = 374,460,038,961,988,239,360
  5. Step 5: Solve for x
    x = 374,460,038,961,988,239,360/21,309,684,349.76
  6. Step 6: Final answer
    x = 17,572,294,024.44

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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.