Finding the Fourth Proportional to 3,886,165,907.60, 5,829,248,861.40 and 3,808,681,809.80
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Solution
The fourth proportional to 3,886,165,907.60, 5,829,248,861.40 and 3,808,681,809.80 is: 5,713,022,714.70
Step by Step Solution
- Step 1: Write the proportion equation
3,886,165,907.60 : 5,829,248,861.40 = 3,808,681,809.80 : x - Step 2: Convert to fraction form
3,886,165,907.60/5,829,248,861.40 = 3,808,681,809.80/x - Step 3: Cross multiply
3,886,165,907.60x = 5,829,248,861.40 × 3,808,681,809.80 - Step 4: Simplify right side
3,886,165,907.60x = 22,201,754,103,211,540,480 - Step 5: Solve for x
x = 22,201,754,103,211,540,480/3,886,165,907.60 - Step 6: Final answer
x = 5,713,022,714.70
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Double scale
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Similar ratio
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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.