Home / 346,828,677,102.73-478,584,756,520.55-192,510,860,815.12

Finding the Fourth Proportional to 346,828,677,102.73, 478,584,756,520.55 and 192,510,860,815.12

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Solution

The fourth proportional to 346,828,677,102.73, 478,584,756,520.55 and 192,510,860,815.12 is: 265,643,441,656.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,828,677,102.73 : 478,584,756,520.55 = 192,510,860,815.12 : x
  2. Step 2: Convert to fraction form
    346,828,677,102.73/478,584,756,520.55 = 192,510,860,815.12/x
  3. Step 3: Cross multiply
    346,828,677,102.73x = 478,584,756,520.55 × 192,510,860,815.12
  4. Step 4: Simplify right side
    346,828,677,102.73x = 92,132,763,450,765,698,138,112
  5. Step 5: Solve for x
    x = 92,132,763,450,765,698,138,112/346,828,677,102.73
  6. Step 6: Final answer
    x = 265,643,441,656.57

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1.5x scale

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.