Home / 1,317,125,323.61-1,975,804,115.87-371,731,831.89

Finding the Fourth Proportional to 1,317,125,323.61, 1,975,804,115.87 and 371,731,831.89

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Solution

The fourth proportional to 1,317,125,323.61, 1,975,804,115.87 and 371,731,831.89 is: 557,630,523.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,317,125,323.61 : 1,975,804,115.87 = 371,731,831.89 : x
  2. Step 2: Convert to fraction form
    1,317,125,323.61/1,975,804,115.87 = 371,731,831.89/x
  3. Step 3: Cross multiply
    1,317,125,323.61x = 1,975,804,115.87 × 371,731,831.89
  4. Step 4: Simplify right side
    1,317,125,323.61x = 734,469,283,436,419,200
  5. Step 5: Solve for x
    x = 734,469,283,436,419,200/1,317,125,323.61
  6. Step 6: Final answer
    x = 557,630,523.28

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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.