Finding the Fourth Proportional to 557,575,284.98, 769,454,288.00 and 306,698,764.19
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Solution
The fourth proportional to 557,575,284.98, 769,454,288.00 and 306,698,764.19 is: 423,244,511.70
Step by Step Solution
- Step 1: Write the proportion equation
557,575,284.98 : 769,454,288.00 = 306,698,764.19 : x - Step 2: Convert to fraction form
557,575,284.98/769,454,288.00 = 306,698,764.19/x - Step 3: Cross multiply
557,575,284.98x = 769,454,288.00 × 306,698,764.19 - Step 4: Simplify right side
557,575,284.98x = 235,990,679,224,915,584 - Step 5: Solve for x
x = 235,990,679,224,915,584/557,575,284.98 - Step 6: Final answer
x = 423,244,511.70
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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.