Finding the Fourth Proportional to 1,058,240,466.18, 1,460,453,535.09 and 634,869,983.70
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Solution
The fourth proportional to 1,058,240,466.18, 1,460,453,535.09 and 634,869,983.70 is: 876,169,586.83
Step by Step Solution
- Step 1: Write the proportion equation
1,058,240,466.18 : 1,460,453,535.09 = 634,869,983.70 : x - Step 2: Convert to fraction form
1,058,240,466.18/1,460,453,535.09 = 634,869,983.70/x - Step 3: Cross multiply
1,058,240,466.18x = 1,460,453,535.09 × 634,869,983.70 - Step 4: Simplify right side
1,058,240,466.18x = 927,198,112,017,195,648 - Step 5: Solve for x
x = 927,198,112,017,195,648/1,058,240,466.18 - Step 6: Final answer
x = 876,169,586.83
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1.5x scale
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.