Finding the Fourth Proportional to 353,246,331.76, 487,471,028.12 and 194,474,869.64
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Solution
The fourth proportional to 353,246,331.76, 487,471,028.12 and 194,474,869.64 is: 268,370,414.99
Step by Step Solution
- Step 1: Write the proportion equation
353,246,331.76 : 487,471,028.12 = 194,474,869.64 : x - Step 2: Convert to fraction form
353,246,331.76/487,471,028.12 = 194,474,869.64/x - Step 3: Cross multiply
353,246,331.76x = 487,471,028.12 × 194,474,869.64 - Step 4: Simplify right side
353,246,331.76x = 94,800,864,646,913,776 - Step 5: Solve for x
x = 94,800,864,646,913,776/353,246,331.76 - Step 6: Final answer
x = 268,370,414.99
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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.