Finding the Fourth Proportional to 497,270,319.88, 745,778,247.67 and 147,434,583.96
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Solution
The fourth proportional to 497,270,319.88, 745,778,247.67 and 147,434,583.96 is: 221,114,153.16
Step by Step Solution
- Step 1: Write the proportion equation
497,270,319.88 : 745,778,247.67 = 147,434,583.96 : x - Step 2: Convert to fraction form
497,270,319.88/745,778,247.67 = 147,434,583.96/x - Step 3: Cross multiply
497,270,319.88x = 745,778,247.67 × 147,434,583.96 - Step 4: Simplify right side
497,270,319.88x = 109,953,505,673,076,128 - Step 5: Solve for x
x = 109,953,505,673,076,128/497,270,319.88 - Step 6: Final answer
x = 221,114,153.16
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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.