Home / 424,166,417.56-636,243,233.82-190,832,348.44

Finding the Fourth Proportional to 424,166,417.56, 636,243,233.82 and 190,832,348.44

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Solution

The fourth proportional to 424,166,417.56, 636,243,233.82 and 190,832,348.44 is: 286,245,646.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,166,417.56 : 636,243,233.82 = 190,832,348.44 : x
  2. Step 2: Convert to fraction form
    424,166,417.56/636,243,233.82 = 190,832,348.44/x
  3. Step 3: Cross multiply
    424,166,417.56x = 636,243,233.82 × 190,832,348.44
  4. Step 4: Simplify right side
    424,166,417.56x = 121,415,790,488,930,640
  5. Step 5: Solve for x
    x = 121,415,790,488,930,640/424,166,417.56
  6. Step 6: Final answer
    x = 286,245,646.67

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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.