Finding the Fourth Proportional to 1,324,720,679.47, 1,828,126,627.97 and 730,026,501.40
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Solution
The fourth proportional to 1,324,720,679.47, 1,828,126,627.97 and 730,026,501.40 is: 1,007,443,234.65
Step by Step Solution
- Step 1: Write the proportion equation
1,324,720,679.47 : 1,828,126,627.97 = 730,026,501.40 : x - Step 2: Convert to fraction form
1,324,720,679.47/1,828,126,627.97 = 730,026,501.40/x - Step 3: Cross multiply
1,324,720,679.47x = 1,828,126,627.97 × 730,026,501.40 - Step 4: Simplify right side
1,324,720,679.47x = 1,334,580,886,333,118,464 - Step 5: Solve for x
x = 1,334,580,886,333,118,464/1,324,720,679.47 - Step 6: Final answer
x = 1,007,443,234.65
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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.