Home / 8,645,585,353.60-11,930,917,991.16-4,685,287,021.60

Finding the Fourth Proportional to 8,645,585,353.60, 11,930,917,991.16 and 4,685,287,021.60

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Solution

The fourth proportional to 8,645,585,353.60, 11,930,917,991.16 and 4,685,287,021.60 is: 6,465,701,619.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,645,585,353.60 : 11,930,917,991.16 = 4,685,287,021.60 : x
  2. Step 2: Convert to fraction form
    8,645,585,353.60/11,930,917,991.16 = 4,685,287,021.60/x
  3. Step 3: Cross multiply
    8,645,585,353.60x = 11,930,917,991.16 × 4,685,287,021.60
  4. Step 4: Simplify right side
    8,645,585,353.60x = 55,899,775,219,755,892,736
  5. Step 5: Solve for x
    x = 55,899,775,219,755,892,736/8,645,585,353.60
  6. Step 6: Final answer
    x = 6,465,701,619.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.