Home / 1,342,380,731,003.90-1,852,486,151,921.70-725,083,445,878.79

Finding the Fourth Proportional to 1,342,380,731,003.90, 1,852,486,151,921.70 and 725,083,445,878.79

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Solution

The fourth proportional to 1,342,380,731,003.90, 1,852,486,151,921.70 and 725,083,445,878.79 is: 1,000,615,556,715.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,342,380,731,003.90 : 1,852,486,151,921.70 = 725,083,445,878.79 : x
  2. Step 2: Convert to fraction form
    1,342,380,731,003.90/1,852,486,151,921.70 = 725,083,445,878.79/x
  3. Step 3: Cross multiply
    1,342,380,731,003.90x = 1,852,486,151,921.70 × 725,083,445,878.79
  4. Step 4: Simplify right side
    1,342,380,731,003.90x = 1,343,207,042,478,126,030,389,248
  5. Step 5: Solve for x
    x = 1,343,207,042,478,126,030,389,248/1,342,380,731,003.90
  6. Step 6: Final answer
    x = 1,000,615,556,715.87

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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.