Home / 294,853,114,893.66-407,178,319,021.83-278,789,705,219.58

Finding the Fourth Proportional to 294,853,114,893.66, 407,178,319,021.83 and 278,789,705,219.58

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Solution

The fourth proportional to 294,853,114,893.66, 407,178,319,021.83 and 278,789,705,219.58 is: 384,995,503,855.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,853,114,893.66 : 407,178,319,021.83 = 278,789,705,219.58 : x
  2. Step 2: Convert to fraction form
    294,853,114,893.66/407,178,319,021.83 = 278,789,705,219.58/x
  3. Step 3: Cross multiply
    294,853,114,893.66x = 407,178,319,021.83 × 278,789,705,219.58
  4. Step 4: Simplify right side
    294,853,114,893.66x = 113,517,123,531,900,108,931,072
  5. Step 5: Solve for x
    x = 113,517,123,531,900,108,931,072/294,853,114,893.66
  6. Step 6: Final answer
    x = 384,995,503,855.68

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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.