Finding the Fourth Proportional to 865,805,243.10, 1,298,707,864.65 and 804,583,239.90
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Solution
The fourth proportional to 865,805,243.10, 1,298,707,864.65 and 804,583,239.90 is: 1,206,874,859.85
Step by Step Solution
- Step 1: Write the proportion equation
865,805,243.10 : 1,298,707,864.65 = 804,583,239.90 : x - Step 2: Convert to fraction form
865,805,243.10/1,298,707,864.65 = 804,583,239.90/x - Step 3: Cross multiply
865,805,243.10x = 1,298,707,864.65 × 804,583,239.90 - Step 4: Simplify right side
865,805,243.10x = 1,044,918,581,423,707,776 - Step 5: Solve for x
x = 1,044,918,581,423,707,776/865,805,243.10 - Step 6: Final answer
x = 1,206,874,859.85
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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.