Finding the Fourth Proportional to 3,438,438,341.49, 4,745,016,387.45 and 1,933,071,402.65
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Solution
The fourth proportional to 3,438,438,341.49, 4,745,016,387.45 and 1,933,071,402.65 is: 2,667,622,499.72
Step by Step Solution
- Step 1: Write the proportion equation
3,438,438,341.49 : 4,745,016,387.45 = 1,933,071,402.65 : x - Step 2: Convert to fraction form
3,438,438,341.49/4,745,016,387.45 = 1,933,071,402.65/x - Step 3: Cross multiply
3,438,438,341.49x = 4,745,016,387.45 × 1,933,071,402.65 - Step 4: Simplify right side
3,438,438,341.49x = 9,172,455,483,661,481,984 - Step 5: Solve for x
x = 9,172,455,483,661,481,984/3,438,438,341.49 - Step 6: Final answer
x = 2,667,622,499.72
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1.5x scale
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.