Home / 17,939,809,919.20-26,909,714,878.80-8,621,310,848.80

Finding the Fourth Proportional to 17,939,809,919.20, 26,909,714,878.80 and 8,621,310,848.80

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Solution

The fourth proportional to 17,939,809,919.20, 26,909,714,878.80 and 8,621,310,848.80 is: 12,931,966,273.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,939,809,919.20 : 26,909,714,878.80 = 8,621,310,848.80 : x
  2. Step 2: Convert to fraction form
    17,939,809,919.20/26,909,714,878.80 = 8,621,310,848.80/x
  3. Step 3: Cross multiply
    17,939,809,919.20x = 26,909,714,878.80 × 8,621,310,848.80
  4. Step 4: Simplify right side
    17,939,809,919.20x = 231,997,016,822,713,188,352
  5. Step 5: Solve for x
    x = 231,997,016,822,713,188,352/17,939,809,919.20
  6. Step 6: Final answer
    x = 12,931,966,273.20

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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.