Home / 767,248,815.58-1,058,801,373.98-428,153,735.66

Finding the Fourth Proportional to 767,248,815.58, 1,058,801,373.98 and 428,153,735.66

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Solution

The fourth proportional to 767,248,815.58, 1,058,801,373.98 and 428,153,735.66 is: 590,851,043.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,248,815.58 : 1,058,801,373.98 = 428,153,735.66 : x
  2. Step 2: Convert to fraction form
    767,248,815.58/1,058,801,373.98 = 428,153,735.66/x
  3. Step 3: Cross multiply
    767,248,815.58x = 1,058,801,373.98 × 428,153,735.66
  4. Step 4: Simplify right side
    767,248,815.58x = 453,329,763,591,477,760
  5. Step 5: Solve for x
    x = 453,329,763,591,477,760/767,248,815.58
  6. Step 6: Final answer
    x = 590,851,043.87

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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.