Finding the Fourth Proportional to 564,398,464.21, 778,694,162.99 and 326,156,854.61
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Solution
The fourth proportional to 564,398,464.21, 778,694,162.99 and 326,156,854.61 is: 449,994,914.96
Step by Step Solution
- Step 1: Write the proportion equation
564,398,464.21 : 778,694,162.99 = 326,156,854.61 : x - Step 2: Convert to fraction form
564,398,464.21/778,694,162.99 = 326,156,854.61/x - Step 3: Cross multiply
564,398,464.21x = 778,694,162.99 × 326,156,854.61 - Step 4: Simplify right side
564,398,464.21x = 253,976,438,903,985,088 - Step 5: Solve for x
x = 253,976,438,903,985,088/564,398,464.21 - Step 6: Final answer
x = 449,994,914.96
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.