Finding the Fourth Proportional to 1,152,752,960.08, 1,590,769,597.80 and 644,119,745.68
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Solution
The fourth proportional to 1,152,752,960.08, 1,590,769,597.80 and 644,119,745.68 is: 888,868,772.63
Step by Step Solution
- Step 1: Write the proportion equation
1,152,752,960.08 : 1,590,769,597.80 = 644,119,745.68 : x - Step 2: Convert to fraction form
1,152,752,960.08/1,590,769,597.80 = 644,119,745.68/x - Step 3: Cross multiply
1,152,752,960.08x = 1,590,769,597.80 × 644,119,745.68 - Step 4: Simplify right side
1,152,752,960.08x = 1,024,646,108,770,411,776 - Step 5: Solve for x
x = 1,024,646,108,770,411,776/1,152,752,960.08 - Step 6: Final answer
x = 888,868,772.63
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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.