Home / 448,120,013.84-672,201,015.96-217,814,567.12

Finding the Fourth Proportional to 448,120,013.84, 672,201,015.96 and 217,814,567.12

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Solution

The fourth proportional to 448,120,013.84, 672,201,015.96 and 217,814,567.12 is: 326,732,055.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,120,013.84 : 672,201,015.96 = 217,814,567.12 : x
  2. Step 2: Convert to fraction form
    448,120,013.84/672,201,015.96 = 217,814,567.12/x
  3. Step 3: Cross multiply
    448,120,013.84x = 672,201,015.96 × 217,814,567.12
  4. Step 4: Simplify right side
    448,120,013.84x = 146,415,173,308,951,616
  5. Step 5: Solve for x
    x = 146,415,173,308,951,616/448,120,013.84
  6. Step 6: Final answer
    x = 326,732,055.67

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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.