Home / 485,827,114,850.22-670,118,593,980.51-312,431,471,245.10

Finding the Fourth Proportional to 485,827,114,850.22, 670,118,593,980.51 and 312,431,471,245.10

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Solution

The fourth proportional to 485,827,114,850.22, 670,118,593,980.51 and 312,431,471,245.10 is: 430,947,824,496.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,827,114,850.22 : 670,118,593,980.51 = 312,431,471,245.10 : x
  2. Step 2: Convert to fraction form
    485,827,114,850.22/670,118,593,980.51 = 312,431,471,245.10/x
  3. Step 3: Cross multiply
    485,827,114,850.22x = 670,118,593,980.51 × 312,431,471,245.10
  4. Step 4: Simplify right side
    485,827,114,850.22x = 209,366,138,226,028,549,505,024
  5. Step 5: Solve for x
    x = 209,366,138,226,028,549,505,024/485,827,114,850.22
  6. Step 6: Final answer
    x = 430,947,824,496.33

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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.