Finding the Fourth Proportional to 708,795,860.40, 1,062,689,905.80 and 271,927,738.80
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Solution
The fourth proportional to 708,795,860.40, 1,062,689,905.80 and 271,927,738.80 is: 407,698,294.07
Step by Step Solution
- Step 1: Write the proportion equation
708,795,860.40 : 1,062,689,905.80 = 271,927,738.80 : x - Step 2: Convert to fraction form
708,795,860.40/1,062,689,905.80 = 271,927,738.80/x - Step 3: Cross multiply
708,795,860.40x = 1,062,689,905.80 × 271,927,738.80 - Step 4: Simplify right side
708,795,860.40x = 288,974,863,129,779,008 - Step 5: Solve for x
x = 288,974,863,129,779,008/708,795,860.40 - Step 6: Final answer
x = 407,698,294.07
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1.5x scale
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.