Home / 1,328,038,441.08-1,992,488,667.39-395,369,356.29

Finding the Fourth Proportional to 1,328,038,441.08, 1,992,488,667.39 and 395,369,356.29

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Solution

The fourth proportional to 1,328,038,441.08, 1,992,488,667.39 and 395,369,356.29 is: 593,182,348.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,038,441.08 : 1,992,488,667.39 = 395,369,356.29 : x
  2. Step 2: Convert to fraction form
    1,328,038,441.08/1,992,488,667.39 = 395,369,356.29/x
  3. Step 3: Cross multiply
    1,328,038,441.08x = 1,992,488,667.39 × 395,369,356.29
  4. Step 4: Simplify right side
    1,328,038,441.08x = 787,768,961,841,104,256
  5. Step 5: Solve for x
    x = 787,768,961,841,104,256/1,328,038,441.08
  6. Step 6: Final answer
    x = 593,182,348.85

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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.