Finding the Fourth Proportional to 1,324,686,655.70, 1,828,153,395.41 and 760,195,330.73
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Solution
The fourth proportional to 1,324,686,655.70, 1,828,153,395.41 and 760,195,330.73 is: 1,049,118,800.33
Step by Step Solution
- Step 1: Write the proportion equation
1,324,686,655.70 : 1,828,153,395.41 = 760,195,330.73 : x - Step 2: Convert to fraction form
1,324,686,655.70/1,828,153,395.41 = 760,195,330.73/x - Step 3: Cross multiply
1,324,686,655.70x = 1,828,153,395.41 × 760,195,330.73 - Step 4: Simplify right side
1,324,686,655.70x = 1,389,753,675,045,076,480 - Step 5: Solve for x
x = 1,389,753,675,045,076,480/1,324,686,655.70 - Step 6: Final answer
x = 1,049,118,800.33
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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.