Finding the Fourth Proportional to 432,581,938.08, 597,754,935.12 and 314,902,964.58
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Solution
The fourth proportional to 432,581,938.08, 597,754,935.12 and 314,902,964.58 is: 435,142,535.07
Step by Step Solution
- Step 1: Write the proportion equation
432,581,938.08 : 597,754,935.12 = 314,902,964.58 : x - Step 2: Convert to fraction form
432,581,938.08/597,754,935.12 = 314,902,964.58/x - Step 3: Cross multiply
432,581,938.08x = 597,754,935.12 × 314,902,964.58 - Step 4: Simplify right side
432,581,938.08x = 188,234,801,161,613,536 - Step 5: Solve for x
x = 188,234,801,161,613,536/432,581,938.08 - Step 6: Final answer
x = 435,142,535.07
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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.