Finding the Fourth Proportional to 47,228,996,842.08, 65,176,789,970.80 and 28,199,763,225.60
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Solution
The fourth proportional to 47,228,996,842.08, 65,176,789,970.80 and 28,199,763,225.60 is: 38,916,135,592.01
Step by Step Solution
- Step 1: Write the proportion equation
47,228,996,842.08 : 65,176,789,970.80 = 28,199,763,225.60 : x - Step 2: Convert to fraction form
47,228,996,842.08/65,176,789,970.80 = 28,199,763,225.60/x - Step 3: Cross multiply
47,228,996,842.08x = 65,176,789,970.80 × 28,199,763,225.60 - Step 4: Simplify right side
47,228,996,842.08x = 1,837,970,044,981,220,737,024 - Step 5: Solve for x
x = 1,837,970,044,981,220,737,024/47,228,996,842.08 - Step 6: Final answer
x = 38,916,135,592.01
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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.