Finding the Fourth Proportional to 1,502,567,456.40, 2,073,232,583.08 and 867,476,943
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Solution
The fourth proportional to 1,502,567,456.40, 2,073,232,583.08 and 867,476,943 is: 1,196,938,916.54
Step by Step Solution
- Step 1: Write the proportion equation
1,502,567,456.40 : 2,073,232,583.08 = 867,476,943 : x - Step 2: Convert to fraction form
1,502,567,456.40/2,073,232,583.08 = 867,476,943/x - Step 3: Cross multiply
1,502,567,456.40x = 2,073,232,583.08 × 867,476,943 - Step 4: Simplify right side
1,502,567,456.40x = 1,798,481,463,298,231,808 - Step 5: Solve for x
x = 1,798,481,463,298,231,808/1,502,567,456.40 - Step 6: Final answer
x = 1,196,938,916.54
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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.