Finding the Fourth Proportional to 970,235,702.40, 1,455,353,553.60 and 533,367,580.80
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Solution
The fourth proportional to 970,235,702.40, 1,455,353,553.60 and 533,367,580.80 is: 800,051,371.20
Step by Step Solution
- Step 1: Write the proportion equation
970,235,702.40 : 1,455,353,553.60 = 533,367,580.80 : x - Step 2: Convert to fraction form
970,235,702.40/1,455,353,553.60 = 533,367,580.80/x - Step 3: Cross multiply
970,235,702.40x = 1,455,353,553.60 × 533,367,580.80 - Step 4: Simplify right side
970,235,702.40x = 776,238,404,092,315,136 - Step 5: Solve for x
x = 776,238,404,092,315,136/970,235,702.40 - Step 6: Final answer
x = 800,051,371.20
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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.