Home / 20,345,949,376.56-28,077,433,416.96-11,313,513,552.60

Finding the Fourth Proportional to 20,345,949,376.56, 28,077,433,416.96 and 11,313,513,552.60

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Solution

The fourth proportional to 20,345,949,376.56, 28,077,433,416.96 and 11,313,513,552.60 is: 15,612,661,646.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,345,949,376.56 : 28,077,433,416.96 = 11,313,513,552.60 : x
  2. Step 2: Convert to fraction form
    20,345,949,376.56/28,077,433,416.96 = 11,313,513,552.60/x
  3. Step 3: Cross multiply
    20,345,949,376.56x = 28,077,433,416.96 × 11,313,513,552.60
  4. Step 4: Simplify right side
    20,345,949,376.56x = 317,654,423,485,001,105,408
  5. Step 5: Solve for x
    x = 317,654,423,485,001,105,408/20,345,949,376.56
  6. Step 6: Final answer
    x = 15,612,661,646.10

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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.