Home / 13,684,212,839.52-18,884,213,879.76-7,425,963,623.52

Finding the Fourth Proportional to 13,684,212,839.52, 18,884,213,879.76 and 7,425,963,623.52

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Solution

The fourth proportional to 13,684,212,839.52, 18,884,213,879.76 and 7,425,963,623.52 is: 10,247,829,887.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,684,212,839.52 : 18,884,213,879.76 = 7,425,963,623.52 : x
  2. Step 2: Convert to fraction form
    13,684,212,839.52/18,884,213,879.76 = 7,425,963,623.52/x
  3. Step 3: Cross multiply
    13,684,212,839.52x = 18,884,213,879.76 × 7,425,963,623.52
  4. Step 4: Simplify right side
    13,684,212,839.52x = 140,233,485,329,869,242,368
  5. Step 5: Solve for x
    x = 140,233,485,329,869,242,368/13,684,212,839.52
  6. Step 6: Final answer
    x = 10,247,829,887.95

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1.5x scale

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.