Finding the Fourth Proportional to 5,280,303,283.40, 7,920,454,925.10 and 2,659,094,553.80
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Solution
The fourth proportional to 5,280,303,283.40, 7,920,454,925.10 and 2,659,094,553.80 is: 3,988,641,830.70
Step by Step Solution
- Step 1: Write the proportion equation
5,280,303,283.40 : 7,920,454,925.10 = 2,659,094,553.80 : x - Step 2: Convert to fraction form
5,280,303,283.40/7,920,454,925.10 = 2,659,094,553.80/x - Step 3: Cross multiply
5,280,303,283.40x = 7,920,454,925.10 × 2,659,094,553.80 - Step 4: Simplify right side
5,280,303,283.40x = 21,061,238,554,951,798,784 - Step 5: Solve for x
x = 21,061,238,554,951,798,784/5,280,303,283.40 - Step 6: Final answer
x = 3,988,641,830.70
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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.