Finding the Fourth Proportional to 736,722,605.88, 1,016,670,960.54 and 406,690,659
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Solution
The fourth proportional to 736,722,605.88, 1,016,670,960.54 and 406,690,659 is: 561,229,667.22
Step by Step Solution
- Step 1: Write the proportion equation
736,722,605.88 : 1,016,670,960.54 = 406,690,659 : x - Step 2: Convert to fraction form
736,722,605.88/1,016,670,960.54 = 406,690,659/x - Step 3: Cross multiply
736,722,605.88x = 1,016,670,960.54 × 406,690,659 - Step 4: Simplify right side
736,722,605.88x = 413,470,582,928,175,552 - Step 5: Solve for x
x = 413,470,582,928,175,552/736,722,605.88 - Step 6: Final answer
x = 561,229,667.22
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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.