Finding the Fourth Proportional to 577,409,610.30, 866,114,415.45 and 189,138,815.70
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Solution
The fourth proportional to 577,409,610.30, 866,114,415.45 and 189,138,815.70 is: 283,708,223.55
Step by Step Solution
- Step 1: Write the proportion equation
577,409,610.30 : 866,114,415.45 = 189,138,815.70 : x - Step 2: Convert to fraction form
577,409,610.30/866,114,415.45 = 189,138,815.70/x - Step 3: Cross multiply
577,409,610.30x = 866,114,415.45 × 189,138,815.70 - Step 4: Simplify right side
577,409,610.30x = 163,815,854,798,910,784 - Step 5: Solve for x
x = 163,815,854,798,910,784/577,409,610.30 - Step 6: Final answer
x = 283,708,223.55
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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.