Home / 18,187,550,881.20-27,281,326,321.80-8,877,271,431.60

Finding the Fourth Proportional to 18,187,550,881.20, 27,281,326,321.80 and 8,877,271,431.60

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Solution

The fourth proportional to 18,187,550,881.20, 27,281,326,321.80 and 8,877,271,431.60 is: 13,315,907,147.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,187,550,881.20 : 27,281,326,321.80 = 8,877,271,431.60 : x
  2. Step 2: Convert to fraction form
    18,187,550,881.20/27,281,326,321.80 = 8,877,271,431.60/x
  3. Step 3: Cross multiply
    18,187,550,881.20x = 27,281,326,321.80 × 8,877,271,431.60
  4. Step 4: Simplify right side
    18,187,550,881.20x = 242,183,738,772,672,249,856
  5. Step 5: Solve for x
    x = 242,183,738,772,672,249,856/18,187,550,881.20
  6. Step 6: Final answer
    x = 13,315,907,147.40

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1.5x scale

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.