Home / 913,629,355.07-1,370,282,035.35-415,523,198.19

Finding the Fourth Proportional to 913,629,355.07, 1,370,282,035.35 and 415,523,198.19

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Solution

The fourth proportional to 913,629,355.07, 1,370,282,035.35 and 415,523,198.19 is: 623,211,120.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,629,355.07 : 1,370,282,035.35 = 415,523,198.19 : x
  2. Step 2: Convert to fraction form
    913,629,355.07/1,370,282,035.35 = 415,523,198.19/x
  3. Step 3: Cross multiply
    913,629,355.07x = 1,370,282,035.35 × 415,523,198.19
  4. Step 4: Simplify right side
    913,629,355.07x = 569,383,973,757,610,624
  5. Step 5: Solve for x
    x = 569,383,973,757,610,624/913,629,355.07
  6. Step 6: Final answer
    x = 623,211,120.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.