Home / 485,969,358.32-670,390,647.01-295,179,605.26

Finding the Fourth Proportional to 485,969,358.32, 670,390,647.01 and 295,179,605.26

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Solution

The fourth proportional to 485,969,358.32, 670,390,647.01 and 295,179,605.26 is: 407,197,785.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,969,358.32 : 670,390,647.01 = 295,179,605.26 : x
  2. Step 2: Convert to fraction form
    485,969,358.32/670,390,647.01 = 295,179,605.26/x
  3. Step 3: Cross multiply
    485,969,358.32x = 670,390,647.01 × 295,179,605.26
  4. Step 4: Simplify right side
    485,969,358.32x = 197,885,646,549,579,936
  5. Step 5: Solve for x
    x = 197,885,646,549,579,936/485,969,358.32
  6. Step 6: Final answer
    x = 407,197,785.55

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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.