Finding the Fourth Proportional to 911,091,959.29, 1,368,818,169.09 and 584,207,912.17
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Solution
The fourth proportional to 911,091,959.29, 1,368,818,169.09 and 584,207,912.17 is: 877,709,869.51
Step by Step Solution
- Step 1: Write the proportion equation
911,091,959.29 : 1,368,818,169.09 = 584,207,912.17 : x - Step 2: Convert to fraction form
911,091,959.29/1,368,818,169.09 = 584,207,912.17/x - Step 3: Cross multiply
911,091,959.29x = 1,368,818,169.09 × 584,207,912.17 - Step 4: Simplify right side
911,091,959.29x = 799,674,404,704,430,848 - Step 5: Solve for x
x = 799,674,404,704,430,848/911,091,959.29 - Step 6: Final answer
x = 877,709,869.51
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.