Finding the Fourth Proportional to 935,629,383.35, 1,291,178,752.70 and 517,948,643.81
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Solution
The fourth proportional to 935,629,383.35, 1,291,178,752.70 and 517,948,643.81 is: 714,774,777.04
Step by Step Solution
- Step 1: Write the proportion equation
935,629,383.35 : 1,291,178,752.70 = 517,948,643.81 : x - Step 2: Convert to fraction form
935,629,383.35/1,291,178,752.70 = 517,948,643.81/x - Step 3: Cross multiply
935,629,383.35x = 1,291,178,752.70 × 517,948,643.81 - Step 4: Simplify right side
935,629,383.35x = 668,764,283,877,890,560 - Step 5: Solve for x
x = 668,764,283,877,890,560/935,629,383.35 - Step 6: Final answer
x = 714,774,777.04
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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.