Finding the Fourth Proportional to 286,353,357.18, 429,451,643.61 and 79,042,209
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Solution
The fourth proportional to 286,353,357.18, 429,451,643.61 and 79,042,209 is: 118,541,674.89
Step by Step Solution
- Step 1: Write the proportion equation
286,353,357.18 : 429,451,643.61 = 79,042,209 : x - Step 2: Convert to fraction form
286,353,357.18/429,451,643.61 = 79,042,209/x - Step 3: Cross multiply
286,353,357.18x = 429,451,643.61 × 79,042,209 - Step 4: Simplify right side
286,353,357.18x = 33,944,806,569,615,136 - Step 5: Solve for x
x = 33,944,806,569,615,136/286,353,357.18 - Step 6: Final answer
x = 118,541,674.89
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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.