Finding the Fourth Proportional to 1,053,072,001.80, 1,579,608,002.70 and 536,511,349.80
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Solution
The fourth proportional to 1,053,072,001.80, 1,579,608,002.70 and 536,511,349.80 is: 804,767,024.70
Step by Step Solution
- Step 1: Write the proportion equation
1,053,072,001.80 : 1,579,608,002.70 = 536,511,349.80 : x - Step 2: Convert to fraction form
1,053,072,001.80/1,579,608,002.70 = 536,511,349.80/x - Step 3: Cross multiply
1,053,072,001.80x = 1,579,608,002.70 × 536,511,349.80 - Step 4: Simplify right side
1,053,072,001.80x = 847,477,621,683,459,072 - Step 5: Solve for x
x = 847,477,621,683,459,072/1,053,072,001.80 - Step 6: Final answer
x = 804,767,024.70
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Double scale
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Similar ratio
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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.