Finding the Fourth Proportional to 1,024,977,652.80, 1,414,462,118.68 and 555,068,220.46
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Solution
The fourth proportional to 1,024,977,652.80, 1,414,462,118.68 and 555,068,220.46 is: 765,990,330.60
Step by Step Solution
- Step 1: Write the proportion equation
1,024,977,652.80 : 1,414,462,118.68 = 555,068,220.46 : x - Step 2: Convert to fraction form
1,024,977,652.80/1,414,462,118.68 = 555,068,220.46/x - Step 3: Cross multiply
1,024,977,652.80x = 1,414,462,118.68 × 555,068,220.46 - Step 4: Simplify right side
1,024,977,652.80x = 785,122,971,123,789,056 - Step 5: Solve for x
x = 785,122,971,123,789,056/1,024,977,652.80 - Step 6: Final answer
x = 765,990,330.60
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1.5x scale
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.