Finding the Fourth Proportional to 4,945,544,090.10, 7,418,316,135.15 and 4,911,106,713.30
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Solution
The fourth proportional to 4,945,544,090.10, 7,418,316,135.15 and 4,911,106,713.30 is: 7,366,660,069.95
Step by Step Solution
- Step 1: Write the proportion equation
4,945,544,090.10 : 7,418,316,135.15 = 4,911,106,713.30 : x - Step 2: Convert to fraction form
4,945,544,090.10/7,418,316,135.15 = 4,911,106,713.30/x - Step 3: Cross multiply
4,945,544,090.10x = 7,418,316,135.15 × 4,911,106,713.30 - Step 4: Simplify right side
4,945,544,090.10x = 36,432,142,172,716,875,776 - Step 5: Solve for x
x = 36,432,142,172,716,875,776/4,945,544,090.10 - Step 6: Final answer
x = 7,366,660,069.95
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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.