Finding the Fourth Proportional to 1,001,676,544.98, 1,502,514,864.20 and 686,231,518.70
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Solution
The fourth proportional to 1,001,676,544.98, 1,502,514,864.20 and 686,231,518.70 is: 1,029,347,310.06
Step by Step Solution
- Step 1: Write the proportion equation
1,001,676,544.98 : 1,502,514,864.20 = 686,231,518.70 : x - Step 2: Convert to fraction form
1,001,676,544.98/1,502,514,864.20 = 686,231,518.70/x - Step 3: Cross multiply
1,001,676,544.98x = 1,502,514,864.20 × 686,231,518.70 - Step 4: Simplify right side
1,001,676,544.98x = 1,031,073,057,129,290,368 - Step 5: Solve for x
x = 1,031,073,057,129,290,368/1,001,676,544.98 - Step 6: Final answer
x = 1,029,347,310.06
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.