Home / 448,547,427.60-672,947,112.60-218,524,016.40

Finding the Fourth Proportional to 448,547,427.60, 672,947,112.60 and 218,524,016.40

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Solution

The fourth proportional to 448,547,427.60, 672,947,112.60 and 218,524,016.40 is: 327,847,395.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,547,427.60 : 672,947,112.60 = 218,524,016.40 : x
  2. Step 2: Convert to fraction form
    448,547,427.60/672,947,112.60 = 218,524,016.40/x
  3. Step 3: Cross multiply
    448,547,427.60x = 672,947,112.60 × 218,524,016.40
  4. Step 4: Simplify right side
    448,547,427.60x = 147,055,105,870,135,040
  5. Step 5: Solve for x
    x = 147,055,105,870,135,040/448,547,427.60
  6. Step 6: Final answer
    x = 327,847,395.44

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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.