Home / 12,961,298,498.10-19,441,947,747.15-12,453,382,619.70

Finding the Fourth Proportional to 12,961,298,498.10, 19,441,947,747.15 and 12,453,382,619.70

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Solution

The fourth proportional to 12,961,298,498.10, 19,441,947,747.15 and 12,453,382,619.70 is: 18,680,073,929.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,961,298,498.10 : 19,441,947,747.15 = 12,453,382,619.70 : x
  2. Step 2: Convert to fraction form
    12,961,298,498.10/19,441,947,747.15 = 12,453,382,619.70/x
  3. Step 3: Cross multiply
    12,961,298,498.10x = 19,441,947,747.15 × 12,453,382,619.70
  4. Step 4: Simplify right side
    12,961,298,498.10x = 242,118,014,167,473,422,336
  5. Step 5: Solve for x
    x = 242,118,014,167,473,422,336/12,961,298,498.10
  6. Step 6: Final answer
    x = 18,680,073,929.55

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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.