Home / 28,921,831,141.68-43,399,483,959.60-12,132,138,713.04

Finding the Fourth Proportional to 28,921,831,141.68, 43,399,483,959.60 and 12,132,138,713.04

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Solution

The fourth proportional to 28,921,831,141.68, 43,399,483,959.60 and 12,132,138,713.04 is: 18,205,229,015.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,921,831,141.68 : 43,399,483,959.60 = 12,132,138,713.04 : x
  2. Step 2: Convert to fraction form
    28,921,831,141.68/43,399,483,959.60 = 12,132,138,713.04/x
  3. Step 3: Cross multiply
    28,921,831,141.68x = 43,399,483,959.60 × 12,132,138,713.04
  4. Step 4: Simplify right side
    28,921,831,141.68x = 526,528,559,472,221,683,712
  5. Step 5: Solve for x
    x = 526,528,559,472,221,683,712/28,921,831,141.68
  6. Step 6: Final answer
    x = 18,205,229,015.17

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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.