Home / 618,355,953.04-853,326,185.16-339,894,515.92

Finding the Fourth Proportional to 618,355,953.04, 853,326,185.16 and 339,894,515.92

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Solution

The fourth proportional to 618,355,953.04, 853,326,185.16 and 339,894,515.92 is: 469,051,667.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,355,953.04 : 853,326,185.16 = 339,894,515.92 : x
  2. Step 2: Convert to fraction form
    618,355,953.04/853,326,185.16 = 339,894,515.92/x
  3. Step 3: Cross multiply
    618,355,953.04x = 853,326,185.16 × 339,894,515.92
  4. Step 4: Simplify right side
    618,355,953.04x = 290,040,890,626,818,496
  5. Step 5: Solve for x
    x = 290,040,890,626,818,496/618,355,953.04
  6. Step 6: Final answer
    x = 469,051,667.09

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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.