Home / 699,302,849.72-965,033,023.34-381,763,095.59

Finding the Fourth Proportional to 699,302,849.72, 965,033,023.34 and 381,763,095.59

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Solution

The fourth proportional to 699,302,849.72, 965,033,023.34 and 381,763,095.59 is: 526,830,391.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,302,849.72 : 965,033,023.34 = 381,763,095.59 : x
  2. Step 2: Convert to fraction form
    699,302,849.72/965,033,023.34 = 381,763,095.59/x
  3. Step 3: Cross multiply
    699,302,849.72x = 965,033,023.34 × 381,763,095.59
  4. Step 4: Simplify right side
    699,302,849.72x = 368,413,994,341,219,840
  5. Step 5: Solve for x
    x = 368,413,994,341,219,840/699,302,849.72
  6. Step 6: Final answer
    x = 526,830,391.86

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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.