Finding the Fourth Proportional to 4,712,347,616.80, 6,503,059,353.36 and 2,597,757,106.72
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Solution
The fourth proportional to 4,712,347,616.80, 6,503,059,353.36 and 2,597,757,106.72 is: 3,584,915,635.34
Step by Step Solution
- Step 1: Write the proportion equation
4,712,347,616.80 : 6,503,059,353.36 = 2,597,757,106.72 : x - Step 2: Convert to fraction form
4,712,347,616.80/6,503,059,353.36 = 2,597,757,106.72/x - Step 3: Cross multiply
4,712,347,616.80x = 6,503,059,353.36 × 2,597,757,106.72 - Step 4: Simplify right side
4,712,347,616.80x = 16,893,368,650,612,905,984 - Step 5: Solve for x
x = 16,893,368,650,612,905,984/4,712,347,616.80 - Step 6: Final answer
x = 3,584,915,635.34
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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.