Finding the Fourth Proportional to 1,014,644,623.68, 1,400,216,747.04 and 551,070,607.68
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Solution
The fourth proportional to 1,014,644,623.68, 1,400,216,747.04 and 551,070,607.68 is: 760,481,330.77
Step by Step Solution
- Step 1: Write the proportion equation
1,014,644,623.68 : 1,400,216,747.04 = 551,070,607.68 : x - Step 2: Convert to fraction form
1,014,644,623.68/1,400,216,747.04 = 551,070,607.68/x - Step 3: Cross multiply
1,014,644,623.68x = 1,400,216,747.04 × 551,070,607.68 - Step 4: Simplify right side
1,014,644,623.68x = 771,618,293,675,045,504 - Step 5: Solve for x
x = 771,618,293,675,045,504/1,014,644,623.68 - Step 6: Final answer
x = 760,481,330.77
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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.