Home / 1,342,380,731,005.90-1,852,486,151,924.40-725,083,445,880.80

Finding the Fourth Proportional to 1,342,380,731,005.90, 1,852,486,151,924.40 and 725,083,445,880.80

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Solution

The fourth proportional to 1,342,380,731,005.90, 1,852,486,151,924.40 and 725,083,445,880.80 is: 1,000,615,556,718.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,342,380,731,005.90 : 1,852,486,151,924.40 = 725,083,445,880.80 : x
  2. Step 2: Convert to fraction form
    1,342,380,731,005.90/1,852,486,151,924.40 = 725,083,445,880.80/x
  3. Step 3: Cross multiply
    1,342,380,731,005.90x = 1,852,486,151,924.40 × 725,083,445,880.80
  4. Step 4: Simplify right side
    1,342,380,731,005.90x = 1,343,207,042,483,807,198,380,032
  5. Step 5: Solve for x
    x = 1,343,207,042,483,807,198,380,032/1,342,380,731,005.90
  6. Step 6: Final answer
    x = 1,000,615,556,718.61

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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.