Home / 1,615,597,048.92-2,423,395,485.90-388,765,631.64

Finding the Fourth Proportional to 1,615,597,048.92, 2,423,395,485.90 and 388,765,631.64

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Solution

The fourth proportional to 1,615,597,048.92, 2,423,395,485.90 and 388,765,631.64 is: 583,148,426.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,615,597,048.92 : 2,423,395,485.90 = 388,765,631.64 : x
  2. Step 2: Convert to fraction form
    1,615,597,048.92/2,423,395,485.90 = 388,765,631.64/x
  3. Step 3: Cross multiply
    1,615,597,048.92x = 2,423,395,485.90 × 388,765,631.64
  4. Step 4: Simplify right side
    1,615,597,048.92x = 942,132,876,789,438,208
  5. Step 5: Solve for x
    x = 942,132,876,789,438,208/1,615,597,048.92
  6. Step 6: Final answer
    x = 583,148,426.41

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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.