Finding the Fourth Proportional to 1,771,471,871.60, 2,657,207,807.40 and 544,480,890.80
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Solution
The fourth proportional to 1,771,471,871.60, 2,657,207,807.40 and 544,480,890.80 is: 816,721,336.20
Step by Step Solution
- Step 1: Write the proportion equation
1,771,471,871.60 : 2,657,207,807.40 = 544,480,890.80 : x - Step 2: Convert to fraction form
1,771,471,871.60/2,657,207,807.40 = 544,480,890.80/x - Step 3: Cross multiply
1,771,471,871.60x = 2,657,207,807.40 × 544,480,890.80 - Step 4: Simplify right side
1,771,471,871.60x = 1,446,798,874,013,866,752 - Step 5: Solve for x
x = 1,446,798,874,013,866,752/1,771,471,871.60 - Step 6: Final answer
x = 816,721,336.20
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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.