Finding the Fourth Proportional to 1,345,187,316.30, 2,017,780,974.45 and 1,130,910,305.10
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Solution
The fourth proportional to 1,345,187,316.30, 2,017,780,974.45 and 1,130,910,305.10 is: 1,696,365,457.65
Step by Step Solution
- Step 1: Write the proportion equation
1,345,187,316.30 : 2,017,780,974.45 = 1,130,910,305.10 : x - Step 2: Convert to fraction form
1,345,187,316.30/2,017,780,974.45 = 1,130,910,305.10/x - Step 3: Cross multiply
1,345,187,316.30x = 2,017,780,974.45 × 1,130,910,305.10 - Step 4: Simplify right side
1,345,187,316.30x = 2,281,929,297,440,224,768 - Step 5: Solve for x
x = 2,281,929,297,440,224,768/1,345,187,316.30 - Step 6: Final answer
x = 1,696,365,457.65
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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.