Finding the Fourth Proportional to 608,627,702.14, 839,473,245.86 and 558,553,621.70
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Solution
The fourth proportional to 608,627,702.14, 839,473,245.86 and 558,553,621.70 is: 770,406,637.99
Step by Step Solution
- Step 1: Write the proportion equation
608,627,702.14 : 839,473,245.86 = 558,553,621.70 : x - Step 2: Convert to fraction form
608,627,702.14/839,473,245.86 = 558,553,621.70/x - Step 3: Cross multiply
608,627,702.14x = 839,473,245.86 × 558,553,621.70 - Step 4: Simplify right side
608,627,702.14x = 468,890,821,795,357,568 - Step 5: Solve for x
x = 468,890,821,795,357,568/608,627,702.14 - Step 6: Final answer
x = 770,406,637.99
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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.