Home / 12,961,298,497.60-19,441,947,746.40-12,453,382,619.20

Finding the Fourth Proportional to 12,961,298,497.60, 19,441,947,746.40 and 12,453,382,619.20

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Solution

The fourth proportional to 12,961,298,497.60, 19,441,947,746.40 and 12,453,382,619.20 is: 18,680,073,928.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,961,298,497.60 : 19,441,947,746.40 = 12,453,382,619.20 : x
  2. Step 2: Convert to fraction form
    12,961,298,497.60/19,441,947,746.40 = 12,453,382,619.20/x
  3. Step 3: Cross multiply
    12,961,298,497.60x = 19,441,947,746.40 × 12,453,382,619.20
  4. Step 4: Simplify right side
    12,961,298,497.60x = 242,118,014,148,412,407,808
  5. Step 5: Solve for x
    x = 242,118,014,148,412,407,808/12,961,298,497.60
  6. Step 6: Final answer
    x = 18,680,073,928.80

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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.