Home / 294,853,114,892.16-407,178,319,019.76-278,789,705,218.08

Finding the Fourth Proportional to 294,853,114,892.16, 407,178,319,019.76 and 278,789,705,218.08

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Solution

The fourth proportional to 294,853,114,892.16, 407,178,319,019.76 and 278,789,705,218.08 is: 384,995,503,853.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,853,114,892.16 : 407,178,319,019.76 = 278,789,705,218.08 : x
  2. Step 2: Convert to fraction form
    294,853,114,892.16/407,178,319,019.76 = 278,789,705,218.08/x
  3. Step 3: Cross multiply
    294,853,114,892.16x = 407,178,319,019.76 × 278,789,705,218.08
  4. Step 4: Simplify right side
    294,853,114,892.16x = 113,517,123,530,712,231,706,624
  5. Step 5: Solve for x
    x = 113,517,123,530,712,231,706,624/294,853,114,892.16
  6. Step 6: Final answer
    x = 384,995,503,853.61

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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.