Finding the Fourth Proportional to 4,657,182,666.30, 6,985,773,999.45 and 2,797,564,319.10
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Solution
The fourth proportional to 4,657,182,666.30, 6,985,773,999.45 and 2,797,564,319.10 is: 4,196,346,478.65
Step by Step Solution
- Step 1: Write the proportion equation
4,657,182,666.30 : 6,985,773,999.45 = 2,797,564,319.10 : x - Step 2: Convert to fraction form
4,657,182,666.30/6,985,773,999.45 = 2,797,564,319.10/x - Step 3: Cross multiply
4,657,182,666.30x = 6,985,773,999.45 × 2,797,564,319.10 - Step 4: Simplify right side
4,657,182,666.30x = 19,543,152,082,157,821,952 - Step 5: Solve for x
x = 19,543,152,082,157,821,952/4,657,182,666.30 - Step 6: Final answer
x = 4,196,346,478.65
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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.