Finding the Fourth Proportional to 1,417,181,048.40, 2,125,771,572.60 and 896,794,021.20
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Solution
The fourth proportional to 1,417,181,048.40, 2,125,771,572.60 and 896,794,021.20 is: 1,345,191,031.80
Step by Step Solution
- Step 1: Write the proportion equation
1,417,181,048.40 : 2,125,771,572.60 = 896,794,021.20 : x - Step 2: Convert to fraction form
1,417,181,048.40/2,125,771,572.60 = 896,794,021.20/x - Step 3: Cross multiply
1,417,181,048.40x = 2,125,771,572.60 × 896,794,021.20 - Step 4: Simplify right side
1,417,181,048.40x = 1,906,379,236,744,601,856 - Step 5: Solve for x
x = 1,906,379,236,744,601,856/1,417,181,048.40 - Step 6: Final answer
x = 1,345,191,031.80
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.