Home / 1,577,265,126.75-2,365,831,908.78-412,707,834.63

Finding the Fourth Proportional to 1,577,265,126.75, 2,365,831,908.78 and 412,707,834.63

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Solution

The fourth proportional to 1,577,265,126.75, 2,365,831,908.78 and 412,707,834.63 is: 619,044,539.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,577,265,126.75 : 2,365,831,908.78 = 412,707,834.63 : x
  2. Step 2: Convert to fraction form
    1,577,265,126.75/2,365,831,908.78 = 412,707,834.63/x
  3. Step 3: Cross multiply
    1,577,265,126.75x = 2,365,831,908.78 × 412,707,834.63
  4. Step 4: Simplify right side
    1,577,265,126.75x = 976,397,364,171,153,536
  5. Step 5: Solve for x
    x = 976,397,364,171,153,536/1,577,265,126.75
  6. Step 6: Final answer
    x = 619,044,539.57

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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.