Finding the Fourth Proportional to 1,345,221,929.67, 1,856,407,418.78 and 750,506,506.26
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Solution
The fourth proportional to 1,345,221,929.67, 1,856,407,418.78 and 750,506,506.26 is: 1,035,699,623.48
Step by Step Solution
- Step 1: Write the proportion equation
1,345,221,929.67 : 1,856,407,418.78 = 750,506,506.26 : x - Step 2: Convert to fraction form
1,345,221,929.67/1,856,407,418.78 = 750,506,506.26/x - Step 3: Cross multiply
1,345,221,929.67x = 1,856,407,418.78 × 750,506,506.26 - Step 4: Simplify right side
1,345,221,929.67x = 1,393,245,846,059,970,048 - Step 5: Solve for x
x = 1,393,245,846,059,970,048/1,345,221,929.67 - Step 6: Final answer
x = 1,035,699,623.48
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.