Finding the Fourth Proportional to 941,059,430.58, 1,298,654,847.21 and 517,663,998.09
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Solution
The fourth proportional to 941,059,430.58, 1,298,654,847.21 and 517,663,998.09 is: 714,372,374.90
Step by Step Solution
- Step 1: Write the proportion equation
941,059,430.58 : 1,298,654,847.21 = 517,663,998.09 : x - Step 2: Convert to fraction form
941,059,430.58/1,298,654,847.21 = 517,663,998.09/x - Step 3: Cross multiply
941,059,430.58x = 1,298,654,847.21 × 517,663,998.09 - Step 4: Simplify right side
941,059,430.58x = 672,266,860,345,686,656 - Step 5: Solve for x
x = 672,266,860,345,686,656/941,059,430.58 - Step 6: Final answer
x = 714,372,374.90
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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.