Home / 12,366,997,009.40-18,550,495,514.10-8,448,788,804.60

Finding the Fourth Proportional to 12,366,997,009.40, 18,550,495,514.10 and 8,448,788,804.60

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Solution

The fourth proportional to 12,366,997,009.40, 18,550,495,514.10 and 8,448,788,804.60 is: 12,673,183,206.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,366,997,009.40 : 18,550,495,514.10 = 8,448,788,804.60 : x
  2. Step 2: Convert to fraction form
    12,366,997,009.40/18,550,495,514.10 = 8,448,788,804.60/x
  3. Step 3: Cross multiply
    12,366,997,009.40x = 18,550,495,514.10 × 8,448,788,804.60
  4. Step 4: Simplify right side
    12,366,997,009.40x = 156,729,218,819,310,583,808
  5. Step 5: Solve for x
    x = 156,729,218,819,310,583,808/12,366,997,009.40
  6. Step 6: Final answer
    x = 12,673,183,206.90

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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.