Finding the Fourth Proportional to 1,709,278,579.20, 2,563,917,868.80 and 1,691,138,726.40
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Solution
The fourth proportional to 1,709,278,579.20, 2,563,917,868.80 and 1,691,138,726.40 is: 2,536,708,089.60
Step by Step Solution
- Step 1: Write the proportion equation
1,709,278,579.20 : 2,563,917,868.80 = 1,691,138,726.40 : x - Step 2: Convert to fraction form
1,709,278,579.20/2,563,917,868.80 = 1,691,138,726.40/x - Step 3: Cross multiply
1,709,278,579.20x = 2,563,917,868.80 × 1,691,138,726.40 - Step 4: Simplify right side
1,709,278,579.20x = 4,335,940,799,236,634,624 - Step 5: Solve for x
x = 4,335,940,799,236,634,624/1,709,278,579.20 - Step 6: Final answer
x = 2,536,708,089.60
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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.