Finding the Fourth Proportional to 1,554,957,107.20, 2,332,435,660.80 and 973,826,373.70
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Solution
The fourth proportional to 1,554,957,107.20, 2,332,435,660.80 and 973,826,373.70 is: 1,460,739,560.55
Step by Step Solution
- Step 1: Write the proportion equation
1,554,957,107.20 : 2,332,435,660.80 = 973,826,373.70 : x - Step 2: Convert to fraction form
1,554,957,107.20/2,332,435,660.80 = 973,826,373.70/x - Step 3: Cross multiply
1,554,957,107.20x = 2,332,435,660.80 × 973,826,373.70 - Step 4: Simplify right side
1,554,957,107.20x = 2,271,387,361,445,427,456 - Step 5: Solve for x
x = 2,271,387,361,445,427,456/1,554,957,107.20 - Step 6: Final answer
x = 1,460,739,560.55
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.