Finding the Fourth Proportional to 709,952,702.19, 1,064,982,581.93 and 211,923,875.58
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Solution
The fourth proportional to 709,952,702.19, 1,064,982,581.93 and 211,923,875.58 is: 317,901,791.90
Step by Step Solution
- Step 1: Write the proportion equation
709,952,702.19 : 1,064,982,581.93 = 211,923,875.58 : x - Step 2: Convert to fraction form
709,952,702.19/1,064,982,581.93 = 211,923,875.58/x - Step 3: Cross multiply
709,952,702.19x = 1,064,982,581.93 × 211,923,875.58 - Step 4: Simplify right side
709,952,702.19x = 225,695,236,188,330,304 - Step 5: Solve for x
x = 225,695,236,188,330,304/709,952,702.19 - Step 6: Final answer
x = 317,901,791.90
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.