Home / 451,329,982,090.86-677,292,848,058.05-239,243,052,041.78

Finding the Fourth Proportional to 451,329,982,090.86, 677,292,848,058.05 and 239,243,052,041.78

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Solution

The fourth proportional to 451,329,982,090.86, 677,292,848,058.05 and 239,243,052,041.78 is: 359,022,476,957.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,329,982,090.86 : 677,292,848,058.05 = 239,243,052,041.78 : x
  2. Step 2: Convert to fraction form
    451,329,982,090.86/677,292,848,058.05 = 239,243,052,041.78/x
  3. Step 3: Cross multiply
    451,329,982,090.86x = 677,292,848,058.05 × 239,243,052,041.78
  4. Step 4: Simplify right side
    451,329,982,090.86x = 162,037,608,095,477,456,175,104
  5. Step 5: Solve for x
    x = 162,037,608,095,477,456,175,104/451,329,982,090.86
  6. Step 6: Final answer
    x = 359,022,476,957.57

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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.