Finding the Fourth Proportional to 5,572,251,437.36, 7,689,476,434.92 and 3,031,943,860.76
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Solution
The fourth proportional to 5,572,251,437.36, 7,689,476,434.92 and 3,031,943,860.76 is: 4,183,957,082.95
Step by Step Solution
- Step 1: Write the proportion equation
5,572,251,437.36 : 7,689,476,434.92 = 3,031,943,860.76 : x - Step 2: Convert to fraction form
5,572,251,437.36/7,689,476,434.92 = 3,031,943,860.76/x - Step 3: Cross multiply
5,572,251,437.36x = 7,689,476,434.92 × 3,031,943,860.76 - Step 4: Simplify right side
5,572,251,437.36x = 23,314,060,869,314,387,968 - Step 5: Solve for x
x = 23,314,060,869,314,387,968/5,572,251,437.36 - Step 6: Final answer
x = 4,183,957,082.95
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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.