Finding the Fourth Proportional to 828,465,298.97, 1,143,306,351.05 and 452,146,023.50
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Solution
The fourth proportional to 828,465,298.97, 1,143,306,351.05 and 452,146,023.50 is: 623,974,740.89
Step by Step Solution
- Step 1: Write the proportion equation
828,465,298.97 : 1,143,306,351.05 = 452,146,023.50 : x - Step 2: Convert to fraction form
828,465,298.97/1,143,306,351.05 = 452,146,023.50/x - Step 3: Cross multiply
828,465,298.97x = 1,143,306,351.05 × 452,146,023.50 - Step 4: Simplify right side
828,465,298.97x = 516,941,420,261,575,296 - Step 5: Solve for x
x = 516,941,420,261,575,296/828,465,298.97 - Step 6: Final answer
x = 623,974,740.89
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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.