Home / 3,904,875,559.79-5,389,060,606.93-2,211,631,411.45

Finding the Fourth Proportional to 3,904,875,559.79, 5,389,060,606.93 and 2,211,631,411.45

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Solution

The fourth proportional to 3,904,875,559.79, 5,389,060,606.93 and 2,211,631,411.45 is: 3,052,239,574.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,904,875,559.79 : 5,389,060,606.93 = 2,211,631,411.45 : x
  2. Step 2: Convert to fraction form
    3,904,875,559.79/5,389,060,606.93 = 2,211,631,411.45/x
  3. Step 3: Cross multiply
    3,904,875,559.79x = 5,389,060,606.93 × 2,211,631,411.45
  4. Step 4: Simplify right side
    3,904,875,559.79x = 11,918,615,716,493,608,960
  5. Step 5: Solve for x
    x = 11,918,615,716,493,608,960/3,904,875,559.79
  6. Step 6: Final answer
    x = 3,052,239,574.34

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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.