Finding the Fourth Proportional to 1,615,950,702,991.60, 2,230,010,514,684.20 and 912,164,737,299.36
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Solution
The fourth proportional to 1,615,950,702,991.60, 2,230,010,514,684.20 and 912,164,737,299.36 is: 1,258,786,515,910.38
Step by Step Solution
- Step 1: Write the proportion equation
1,615,950,702,991.60 : 2,230,010,514,684.20 = 912,164,737,299.36 : x - Step 2: Convert to fraction form
1,615,950,702,991.60/2,230,010,514,684.20 = 912,164,737,299.36/x - Step 3: Cross multiply
1,615,950,702,991.60x = 2,230,010,514,684.20 × 912,164,737,299.36 - Step 4: Simplify right side
1,615,950,702,991.60x = 2,034,136,955,301,724,122,251,264 - Step 5: Solve for x
x = 2,034,136,955,301,724,122,251,264/1,615,950,702,991.60 - Step 6: Final answer
x = 1,258,786,515,910.38
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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.