Finding the Fourth Proportional to 5,248,048,470.80, 7,872,072,706.20 and 4,903,674,702.80
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Solution
The fourth proportional to 5,248,048,470.80, 7,872,072,706.20 and 4,903,674,702.80 is: 7,355,512,054.20
Step by Step Solution
- Step 1: Write the proportion equation
5,248,048,470.80 : 7,872,072,706.20 = 4,903,674,702.80 : x - Step 2: Convert to fraction form
5,248,048,470.80/7,872,072,706.20 = 4,903,674,702.80/x - Step 3: Cross multiply
5,248,048,470.80x = 7,872,072,706.20 × 4,903,674,702.80 - Step 4: Simplify right side
5,248,048,470.80x = 38,602,083,787,995,275,264 - Step 5: Solve for x
x = 38,602,083,787,995,275,264/5,248,048,470.80 - Step 6: Final answer
x = 7,355,512,054.20
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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.