Home / 55,090,497,883.55-82,513,302,818.93-47,743,857,499.55

Finding the Fourth Proportional to 55,090,497,883.55, 82,513,302,818.93 and 47,743,857,499.55

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Solution

The fourth proportional to 55,090,497,883.55, 82,513,302,818.93 and 47,743,857,499.55 is: 71,509,670,867.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,090,497,883.55 : 82,513,302,818.93 = 47,743,857,499.55 : x
  2. Step 2: Convert to fraction form
    55,090,497,883.55/82,513,302,818.93 = 47,743,857,499.55/x
  3. Step 3: Cross multiply
    55,090,497,883.55x = 82,513,302,818.93 × 47,743,857,499.55
  4. Step 4: Simplify right side
    55,090,497,883.55x = 3,939,503,371,603,972,980,736
  5. Step 5: Solve for x
    x = 3,939,503,371,603,972,980,736/55,090,497,883.55
  6. Step 6: Final answer
    x = 71,509,670,867.95

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1.5x scale

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.