Home / 17,939,809,937.20-26,909,714,905.80-8,621,310,866.80

Finding the Fourth Proportional to 17,939,809,937.20, 26,909,714,905.80 and 8,621,310,866.80

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Solution

The fourth proportional to 17,939,809,937.20, 26,909,714,905.80 and 8,621,310,866.80 is: 12,931,966,300.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,939,809,937.20 : 26,909,714,905.80 = 8,621,310,866.80 : x
  2. Step 2: Convert to fraction form
    17,939,809,937.20/26,909,714,905.80 = 8,621,310,866.80/x
  3. Step 3: Cross multiply
    17,939,809,937.20x = 26,909,714,905.80 × 8,621,310,866.80
  4. Step 4: Simplify right side
    17,939,809,937.20x = 231,997,017,539,863,445,504
  5. Step 5: Solve for x
    x = 231,997,017,539,863,445,504/17,939,809,937.20
  6. Step 6: Final answer
    x = 12,931,966,300.20

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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.