Finding the Fourth Proportional to 1,386,372,622.12, 2,079,655,060.03 and 557,326,593.52
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Solution
The fourth proportional to 1,386,372,622.12, 2,079,655,060.03 and 557,326,593.52 is: 836,028,533.60
Step by Step Solution
- Step 1: Write the proportion equation
1,386,372,622.12 : 2,079,655,060.03 = 557,326,593.52 : x - Step 2: Convert to fraction form
1,386,372,622.12/2,079,655,060.03 = 557,326,593.52/x - Step 3: Cross multiply
1,386,372,622.12x = 2,079,655,060.03 × 557,326,593.52 - Step 4: Simplify right side
1,386,372,622.12x = 1,159,047,070,296,558,592 - Step 5: Solve for x
x = 1,159,047,070,296,558,592/1,386,372,622.12 - Step 6: Final answer
x = 836,028,533.60
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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.