Finding the Fourth Proportional to 1,569,230,741.16, 2,165,511,966.58 and 864,448,649.64
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Solution
The fourth proportional to 1,569,230,741.16, 2,165,511,966.58 and 864,448,649.64 is: 1,192,924,562.46
Step by Step Solution
- Step 1: Write the proportion equation
1,569,230,741.16 : 2,165,511,966.58 = 864,448,649.64 : x - Step 2: Convert to fraction form
1,569,230,741.16/2,165,511,966.58 = 864,448,649.64/x - Step 3: Cross multiply
1,569,230,741.16x = 2,165,511,966.58 × 864,448,649.64 - Step 4: Simplify right side
1,569,230,741.16x = 1,871,973,895,289,341,696 - Step 5: Solve for x
x = 1,871,973,895,289,341,696/1,569,230,741.16 - Step 6: Final answer
x = 1,192,924,562.46
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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.