Home / 986,161,917.50-1,360,925,475.51-562,767,149.24

Finding the Fourth Proportional to 986,161,917.50, 1,360,925,475.51 and 562,767,149.24

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Solution

The fourth proportional to 986,161,917.50, 1,360,925,475.51 and 562,767,149.24 is: 776,631,237.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,161,917.50 : 1,360,925,475.51 = 562,767,149.24 : x
  2. Step 2: Convert to fraction form
    986,161,917.50/1,360,925,475.51 = 562,767,149.24/x
  3. Step 3: Cross multiply
    986,161,917.50x = 1,360,925,475.51 × 562,767,149.24
  4. Step 4: Simplify right side
    986,161,917.50x = 765,884,150,180,854,144
  5. Step 5: Solve for x
    x = 765,884,150,180,854,144/986,161,917.50
  6. Step 6: Final answer
    x = 776,631,237.31

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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.