Home / 1,294,461,820.80-1,941,749,409.60-374,431,161.60

Finding the Fourth Proportional to 1,294,461,820.80, 1,941,749,409.60 and 374,431,161.60

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Solution

The fourth proportional to 1,294,461,820.80, 1,941,749,409.60 and 374,431,161.60 is: 561,663,136.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,461,820.80 : 1,941,749,409.60 = 374,431,161.60 : x
  2. Step 2: Convert to fraction form
    1,294,461,820.80/1,941,749,409.60 = 374,431,161.60/x
  3. Step 3: Cross multiply
    1,294,461,820.80x = 1,941,749,409.60 × 374,431,161.60
  4. Step 4: Simplify right side
    1,294,461,820.80x = 727,051,486,972,642,176
  5. Step 5: Solve for x
    x = 727,051,486,972,642,176/1,294,461,820.80
  6. Step 6: Final answer
    x = 561,663,136.98

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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.