Home / 986,161,921.77-1,360,925,481.39-562,767,153.48

Finding the Fourth Proportional to 986,161,921.77, 1,360,925,481.39 and 562,767,153.48

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Solution

The fourth proportional to 986,161,921.77, 1,360,925,481.39 and 562,767,153.48 is: 776,631,243.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,161,921.77 : 1,360,925,481.39 = 562,767,153.48 : x
  2. Step 2: Convert to fraction form
    986,161,921.77/1,360,925,481.39 = 562,767,153.48/x
  3. Step 3: Cross multiply
    986,161,921.77x = 1,360,925,481.39 × 562,767,153.48
  4. Step 4: Simplify right side
    986,161,921.77x = 765,884,159,260,249,088
  5. Step 5: Solve for x
    x = 765,884,159,260,249,088/986,161,921.77
  6. Step 6: Final answer
    x = 776,631,243.16

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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.