Finding the Fourth Proportional to 941,497,601.04, 1,299,278,588.28 and 518,159,988.32
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Solution
The fourth proportional to 941,497,601.04, 1,299,278,588.28 and 518,159,988.32 is: 715,067,332.50
Step by Step Solution
- Step 1: Write the proportion equation
941,497,601.04 : 1,299,278,588.28 = 518,159,988.32 : x - Step 2: Convert to fraction form
941,497,601.04/1,299,278,588.28 = 518,159,988.32/x - Step 3: Cross multiply
941,497,601.04x = 1,299,278,588.28 × 518,159,988.32 - Step 4: Simplify right side
941,497,601.04x = 673,234,178,127,590,912 - Step 5: Solve for x
x = 673,234,178,127,590,912/941,497,601.04 - Step 6: Final answer
x = 715,067,332.50
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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.