Home / 1,398,319,324,632.50-1,929,660,131,637-781,031,051,180.56

Finding the Fourth Proportional to 1,398,319,324,632.50, 1,929,660,131,637 and 781,031,051,180.56

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Solution

The fourth proportional to 1,398,319,324,632.50, 1,929,660,131,637 and 781,031,051,180.56 is: 1,077,811,380,050.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,398,319,324,632.50 : 1,929,660,131,637 = 781,031,051,180.56 : x
  2. Step 2: Convert to fraction form
    1,398,319,324,632.50/1,929,660,131,637 = 781,031,051,180.56/x
  3. Step 3: Cross multiply
    1,398,319,324,632.50x = 1,929,660,131,637 × 781,031,051,180.56
  4. Step 4: Simplify right side
    1,398,319,324,632.50x = 1,507,124,481,033,664,133,595,136
  5. Step 5: Solve for x
    x = 1,507,124,481,033,664,133,595,136/1,398,319,324,632.50
  6. Step 6: Final answer
    x = 1,077,811,380,050.66

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.