Home / 457,834,240,883.16-686,751,199,686.72-122,440,449,351.60

Finding the Fourth Proportional to 457,834,240,883.16, 686,751,199,686.72 and 122,440,449,351.60

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Solution

The fourth proportional to 457,834,240,883.16, 686,751,199,686.72 and 122,440,449,351.60 is: 183,660,630,799.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,834,240,883.16 : 686,751,199,686.72 = 122,440,449,351.60 : x
  2. Step 2: Convert to fraction form
    457,834,240,883.16/686,751,199,686.72 = 122,440,449,351.60/x
  3. Step 3: Cross multiply
    457,834,240,883.16x = 686,751,199,686.72 × 122,440,449,351.60
  4. Step 4: Simplify right side
    457,834,240,883.16x = 84,086,125,482,392,372,117,504
  5. Step 5: Solve for x
    x = 84,086,125,482,392,372,117,504/457,834,240,883.16
  6. Step 6: Final answer
    x = 183,660,630,799.90

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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.