Home / 766,823,655.41-1,058,264,067.33-423,104,135.45

Finding the Fourth Proportional to 766,823,655.41, 1,058,264,067.33 and 423,104,135.45

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Solution

The fourth proportional to 766,823,655.41, 1,058,264,067.33 and 423,104,135.45 is: 583,909,873.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,823,655.41 : 1,058,264,067.33 = 423,104,135.45 : x
  2. Step 2: Convert to fraction form
    766,823,655.41/1,058,264,067.33 = 423,104,135.45/x
  3. Step 3: Cross multiply
    766,823,655.41x = 1,058,264,067.33 × 423,104,135.45
  4. Step 4: Simplify right side
    766,823,655.41x = 447,755,903,285,460,224
  5. Step 5: Solve for x
    x = 447,755,903,285,460,224/766,823,655.41
  6. Step 6: Final answer
    x = 583,909,873.05

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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.