Finding the Fourth Proportional to 477,699,848.85, 716,216,625.44 and 211,660,864.70
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Solution
The fourth proportional to 477,699,848.85, 716,216,625.44 and 211,660,864.70 is: 317,343,684.78
Step by Step Solution
- Step 1: Write the proportion equation
477,699,848.85 : 716,216,625.44 = 211,660,864.70 : x - Step 2: Convert to fraction form
477,699,848.85/716,216,625.44 = 211,660,864.70/x - Step 3: Cross multiply
477,699,848.85x = 716,216,625.44 × 211,660,864.70 - Step 4: Simplify right side
477,699,848.85x = 151,595,030,254,672,384 - Step 5: Solve for x
x = 151,595,030,254,672,384/477,699,848.85 - Step 6: Final answer
x = 317,343,684.78
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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.