Finding the Fourth Proportional to 506,189,444.76, 698,542,459.18 and 283,174,850.66
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Solution
The fourth proportional to 506,189,444.76, 698,542,459.18 and 283,174,850.66 is: 390,781,867.54
Step by Step Solution
- Step 1: Write the proportion equation
506,189,444.76 : 698,542,459.18 = 283,174,850.66 : x - Step 2: Convert to fraction form
506,189,444.76/698,542,459.18 = 283,174,850.66/x - Step 3: Cross multiply
506,189,444.76x = 698,542,459.18 × 283,174,850.66 - Step 4: Simplify right side
506,189,444.76x = 197,809,656,553,764,992 - Step 5: Solve for x
x = 197,809,656,553,764,992/506,189,444.76 - Step 6: Final answer
x = 390,781,867.54
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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.