Finding the Fourth Proportional to 5,826,487,220.80, 8,739,730,831.20 and 2,145,514,278.40
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Solution
The fourth proportional to 5,826,487,220.80, 8,739,730,831.20 and 2,145,514,278.40 is: 3,218,271,417.60
Step by Step Solution
- Step 1: Write the proportion equation
5,826,487,220.80 : 8,739,730,831.20 = 2,145,514,278.40 : x - Step 2: Convert to fraction form
5,826,487,220.80/8,739,730,831.20 = 2,145,514,278.40/x - Step 3: Cross multiply
5,826,487,220.80x = 8,739,730,831.20 × 2,145,514,278.40 - Step 4: Simplify right side
5,826,487,220.80x = 18,751,217,287,712,301,056 - Step 5: Solve for x
x = 18,751,217,287,712,301,056/5,826,487,220.80 - Step 6: Final answer
x = 3,218,271,417.60
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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.