Home / 273,782,378-377,819,681.64-163,778,727.44

Finding the Fourth Proportional to 273,782,378, 377,819,681.64 and 163,778,727.44

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Solution

The fourth proportional to 273,782,378, 377,819,681.64 and 163,778,727.44 is: 226,014,643.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,782,378 : 377,819,681.64 = 163,778,727.44 : x
  2. Step 2: Convert to fraction form
    273,782,378/377,819,681.64 = 163,778,727.44/x
  3. Step 3: Cross multiply
    273,782,378x = 377,819,681.64 × 163,778,727.44
  4. Step 4: Simplify right side
    273,782,378x = 61,878,826,660,785,128
  5. Step 5: Solve for x
    x = 61,878,826,660,785,128/273,782,378
  6. Step 6: Final answer
    x = 226,014,643.87

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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.