Finding the Fourth Proportional to 292,479,707.60, 403,626,874.44 and 158,521,900.70
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Solution
The fourth proportional to 292,479,707.60, 403,626,874.44 and 158,521,900.70 is: 218,762,866.78
Step by Step Solution
- Step 1: Write the proportion equation
292,479,707.60 : 403,626,874.44 = 158,521,900.70 : x - Step 2: Convert to fraction form
292,479,707.60/403,626,874.44 = 158,521,900.70/x - Step 3: Cross multiply
292,479,707.60x = 403,626,874.44 × 158,521,900.70 - Step 4: Simplify right side
292,479,707.60x = 63,983,699,309,829,040 - Step 5: Solve for x
x = 63,983,699,309,829,040/292,479,707.60 - Step 6: Final answer
x = 218,762,866.78
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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.