Finding the Fourth Proportional to 2,519,230,678.80, 3,778,590,877.92 and 679,169,360.40
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Solution
The fourth proportional to 2,519,230,678.80, 3,778,590,877.92 and 679,169,360.40 is: 1,018,685,256.32
Step by Step Solution
- Step 1: Write the proportion equation
2,519,230,678.80 : 3,778,590,877.92 = 679,169,360.40 : x - Step 2: Convert to fraction form
2,519,230,678.80/3,778,590,877.92 = 679,169,360.40/x - Step 3: Cross multiply
2,519,230,678.80x = 3,778,590,877.92 × 679,169,360.40 - Step 4: Simplify right side
2,519,230,678.80x = 2,566,303,149,770,201,088 - Step 5: Solve for x
x = 2,566,303,149,770,201,088/2,519,230,678.80 - Step 6: Final answer
x = 1,018,685,256.32
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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.