Finding the Fourth Proportional to 7,645,439,441.16, 10,551,236,702.85 and 4,634,819,034.80
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Solution
The fourth proportional to 7,645,439,441.16, 10,551,236,702.85 and 4,634,819,034.80 is: 6,396,371,730.80
Step by Step Solution
- Step 1: Write the proportion equation
7,645,439,441.16 : 10,551,236,702.85 = 4,634,819,034.80 : x - Step 2: Convert to fraction form
7,645,439,441.16/10,551,236,702.85 = 4,634,819,034.80/x - Step 3: Cross multiply
7,645,439,441.16x = 10,551,236,702.85 × 4,634,819,034.80 - Step 4: Simplify right side
7,645,439,441.16x = 48,903,072,710,996,819,968 - Step 5: Solve for x
x = 48,903,072,710,996,819,968/7,645,439,441.16 - Step 6: Final answer
x = 6,396,371,730.80
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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.