Finding the Fourth Proportional to 416,345,553.60, 624,070,432.80 and 157,460,740.80
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Solution
The fourth proportional to 416,345,553.60, 624,070,432.80 and 157,460,740.80 is: 236,021,717.56
Step by Step Solution
- Step 1: Write the proportion equation
416,345,553.60 : 624,070,432.80 = 157,460,740.80 : x - Step 2: Convert to fraction form
416,345,553.60/624,070,432.80 = 157,460,740.80/x - Step 3: Cross multiply
416,345,553.60x = 624,070,432.80 × 157,460,740.80 - Step 4: Simplify right side
416,345,553.60x = 98,266,592,660,064,624 - Step 5: Solve for x
x = 98,266,592,660,064,624/416,345,553.60 - Step 6: Final answer
x = 236,021,717.56
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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.