Finding the Fourth Proportional to 346,396,736.12, 519,765,821.33 and 162,176,686.52
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Solution
The fourth proportional to 346,396,736.12, 519,765,821.33 and 162,176,686.52 is: 243,344,956.46
Step by Step Solution
- Step 1: Write the proportion equation
346,396,736.12 : 519,765,821.33 = 162,176,686.52 : x - Step 2: Convert to fraction form
346,396,736.12/519,765,821.33 = 162,176,686.52/x - Step 3: Cross multiply
346,396,736.12x = 519,765,821.33 × 162,176,686.52 - Step 4: Simplify right side
346,396,736.12x = 84,293,898,666,236,016 - Step 5: Solve for x
x = 84,293,898,666,236,016/346,396,736.12 - Step 6: Final answer
x = 243,344,956.46
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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.