Finding the Fourth Proportional to 869,070,280.06, 1,199,293,069.35 and 477,929,704.06
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Solution
The fourth proportional to 869,070,280.06, 1,199,293,069.35 and 477,929,704.06 is: 659,529,838.80
Step by Step Solution
- Step 1: Write the proportion equation
869,070,280.06 : 1,199,293,069.35 = 477,929,704.06 : x - Step 2: Convert to fraction form
869,070,280.06/1,199,293,069.35 = 477,929,704.06/x - Step 3: Cross multiply
869,070,280.06x = 1,199,293,069.35 × 477,929,704.06 - Step 4: Simplify right side
869,070,280.06x = 573,177,781,715,654,528 - Step 5: Solve for x
x = 573,177,781,715,654,528/869,070,280.06 - Step 6: Final answer
x = 659,529,838.80
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1.5x scale
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.