Home / 13,635,225,284.40-18,829,606,359.24-12,892,387,639.68

Finding the Fourth Proportional to 13,635,225,284.40, 18,829,606,359.24 and 12,892,387,639.68

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Solution

The fourth proportional to 13,635,225,284.40, 18,829,606,359.24 and 12,892,387,639.68 is: 17,803,782,425.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,635,225,284.40 : 18,829,606,359.24 = 12,892,387,639.68 : x
  2. Step 2: Convert to fraction form
    13,635,225,284.40/18,829,606,359.24 = 12,892,387,639.68/x
  3. Step 3: Cross multiply
    13,635,225,284.40x = 18,829,606,359.24 × 12,892,387,639.68
  4. Step 4: Simplify right side
    13,635,225,284.40x = 242,758,584,285,905,715,200
  5. Step 5: Solve for x
    x = 242,758,584,285,905,715,200/13,635,225,284.40
  6. Step 6: Final answer
    x = 17,803,782,425.48

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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.