Home / 630,067,127,157.76-869,492,677,977.84-344,925,647,253.76

Finding the Fourth Proportional to 630,067,127,157.76, 869,492,677,977.84 and 344,925,647,253.76

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Solution

The fourth proportional to 630,067,127,157.76, 869,492,677,977.84 and 344,925,647,253.76 is: 475,997,416,476.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,067,127,157.76 : 869,492,677,977.84 = 344,925,647,253.76 : x
  2. Step 2: Convert to fraction form
    630,067,127,157.76/869,492,677,977.84 = 344,925,647,253.76/x
  3. Step 3: Cross multiply
    630,067,127,157.76x = 869,492,677,977.84 × 344,925,647,253.76
  4. Step 4: Simplify right side
    630,067,127,157.76x = 299,910,324,733,911,570,055,168
  5. Step 5: Solve for x
    x = 299,910,324,733,911,570,055,168/630,067,127,157.76
  6. Step 6: Final answer
    x = 475,997,416,476.58

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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.