Finding the Fourth Proportional to 340,723,065.14, 470,585,685.54 and 229,019,974.96
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Solution
The fourth proportional to 340,723,065.14, 470,585,685.54 and 229,019,974.96 is: 316,308,265.99
Step by Step Solution
- Step 1: Write the proportion equation
340,723,065.14 : 470,585,685.54 = 229,019,974.96 : x - Step 2: Convert to fraction form
340,723,065.14/470,585,685.54 = 229,019,974.96/x - Step 3: Cross multiply
340,723,065.14x = 470,585,685.54 × 229,019,974.96 - Step 4: Simplify right side
340,723,065.14x = 107,773,521,918,905,248 - Step 5: Solve for x
x = 107,773,521,918,905,248/340,723,065.14 - Step 6: Final answer
x = 316,308,265.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.