Finding the Fourth Proportional to 4,319,239,968.60, 6,478,859,952.90 and 2,849,911,891.80
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Solution
The fourth proportional to 4,319,239,968.60, 6,478,859,952.90 and 2,849,911,891.80 is: 4,274,867,837.70
Step by Step Solution
- Step 1: Write the proportion equation
4,319,239,968.60 : 6,478,859,952.90 = 2,849,911,891.80 : x - Step 2: Convert to fraction form
4,319,239,968.60/6,478,859,952.90 = 2,849,911,891.80/x - Step 3: Cross multiply
4,319,239,968.60x = 6,478,859,952.90 × 2,849,911,891.80 - Step 4: Simplify right side
4,319,239,968.60x = 18,464,180,025,076,498,432 - Step 5: Solve for x
x = 18,464,180,025,076,498,432/4,319,239,968.60 - Step 6: Final answer
x = 4,274,867,837.70
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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.