Finding the Fourth Proportional to 490,999,830.06, 736,637,919.75 and 214,675,310.64
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Solution
The fourth proportional to 490,999,830.06, 736,637,919.75 and 214,675,310.64 is: 322,073,378.79
Step by Step Solution
- Step 1: Write the proportion equation
490,999,830.06 : 736,637,919.75 = 214,675,310.64 : x - Step 2: Convert to fraction form
490,999,830.06/736,637,919.75 = 214,675,310.64/x - Step 3: Cross multiply
490,999,830.06x = 736,637,919.75 × 214,675,310.64 - Step 4: Simplify right side
490,999,830.06x = 158,137,974,251,534,624 - Step 5: Solve for x
x = 158,137,974,251,534,624/490,999,830.06 - Step 6: Final answer
x = 322,073,378.79
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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.