Finding the Fourth Proportional to 1,391,596,672.05, 2,088,907,581.56 and 563,120,634.69
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Solution
The fourth proportional to 1,391,596,672.05, 2,088,907,581.56 and 563,120,634.69 is: 845,293,026.89
Step by Step Solution
- Step 1: Write the proportion equation
1,391,596,672.05 : 2,088,907,581.56 = 563,120,634.69 : x - Step 2: Convert to fraction form
1,391,596,672.05/2,088,907,581.56 = 563,120,634.69/x - Step 3: Cross multiply
1,391,596,672.05x = 2,088,907,581.56 × 563,120,634.69 - Step 4: Simplify right side
1,391,596,672.05x = 1,176,306,963,134,004,736 - Step 5: Solve for x
x = 1,176,306,963,134,004,736/1,391,596,672.05 - Step 6: Final answer
x = 845,293,026.89
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.