Home / 1,234,950,653.76-1,852,032,667.68-405,711,813.12

Finding the Fourth Proportional to 1,234,950,653.76, 1,852,032,667.68 and 405,711,813.12

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Solution

The fourth proportional to 1,234,950,653.76, 1,852,032,667.68 and 405,711,813.12 is: 608,438,506.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,234,950,653.76 : 1,852,032,667.68 = 405,711,813.12 : x
  2. Step 2: Convert to fraction form
    1,234,950,653.76/1,852,032,667.68 = 405,711,813.12/x
  3. Step 3: Cross multiply
    1,234,950,653.76x = 1,852,032,667.68 × 405,711,813.12
  4. Step 4: Simplify right side
    1,234,950,653.76x = 751,391,531,561,923,200
  5. Step 5: Solve for x
    x = 751,391,531,561,923,200/1,234,950,653.76
  6. Step 6: Final answer
    x = 608,438,506.65

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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.