Home / 322,520,428.59-445,065,371.82-190,403,983.67

Finding the Fourth Proportional to 322,520,428.59, 445,065,371.82 and 190,403,983.67

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Solution

The fourth proportional to 322,520,428.59, 445,065,371.82 and 190,403,983.67 is: 262,749,929.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,520,428.59 : 445,065,371.82 = 190,403,983.67 : x
  2. Step 2: Convert to fraction form
    322,520,428.59/445,065,371.82 = 190,403,983.67/x
  3. Step 3: Cross multiply
    322,520,428.59x = 445,065,371.82 × 190,403,983.67
  4. Step 4: Simplify right side
    322,520,428.59x = 84,742,219,785,872,432
  5. Step 5: Solve for x
    x = 84,742,219,785,872,432/322,520,428.59
  6. Step 6: Final answer
    x = 262,749,929.23

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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.