Finding the Fourth Proportional to 2,393,006,998.56, 3,302,900,655.12 and 1,403,251,280.16
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Solution
The fourth proportional to 2,393,006,998.56, 3,302,900,655.12 and 1,403,251,280.16 is: 1,936,809,869.48
Step by Step Solution
- Step 1: Write the proportion equation
2,393,006,998.56 : 3,302,900,655.12 = 1,403,251,280.16 : x - Step 2: Convert to fraction form
2,393,006,998.56/3,302,900,655.12 = 1,403,251,280.16/x - Step 3: Cross multiply
2,393,006,998.56x = 3,302,900,655.12 × 1,403,251,280.16 - Step 4: Simplify right side
2,393,006,998.56x = 4,634,799,572,538,442,752 - Step 5: Solve for x
x = 4,634,799,572,538,442,752/2,393,006,998.56 - Step 6: Final answer
x = 1,936,809,869.48
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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.