Finding the Fourth Proportional to 619,490,660.24, 929,229,691.78 and 159,427,041.68
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Solution
The fourth proportional to 619,490,660.24, 929,229,691.78 and 159,427,041.68 is: 239,138,941.57
Step by Step Solution
- Step 1: Write the proportion equation
619,490,660.24 : 929,229,691.78 = 159,427,041.68 : x - Step 2: Convert to fraction form
619,490,660.24/929,229,691.78 = 159,427,041.68/x - Step 3: Cross multiply
619,490,660.24x = 929,229,691.78 × 159,427,041.68 - Step 4: Simplify right side
619,490,660.24x = 148,144,340,801,703,616 - Step 5: Solve for x
x = 148,144,340,801,703,616/619,490,660.24 - Step 6: Final answer
x = 239,138,941.57
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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.