Finding the Fourth Proportional to 458,135,358.57, 632,221,480.41 and 249,287,902.92
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Solution
The fourth proportional to 458,135,358.57, 632,221,480.41 and 249,287,902.92 is: 344,014,414.26
Step by Step Solution
- Step 1: Write the proportion equation
458,135,358.57 : 632,221,480.41 = 249,287,902.92 : x - Step 2: Convert to fraction form
458,135,358.57/632,221,480.41 = 249,287,902.92/x - Step 3: Cross multiply
458,135,358.57x = 632,221,480.41 × 249,287,902.92 - Step 4: Simplify right side
458,135,358.57x = 157,605,167,032,386,752 - Step 5: Solve for x
x = 157,605,167,032,386,752/458,135,358.57 - Step 6: Final answer
x = 344,014,414.26
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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.