Finding the Fourth Proportional to 1,058,240,138.58, 1,460,453,082.91 and 634,869,656.10
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Solution
The fourth proportional to 1,058,240,138.58, 1,460,453,082.91 and 634,869,656.10 is: 876,169,134.67
Step by Step Solution
- Step 1: Write the proportion equation
1,058,240,138.58 : 1,460,453,082.91 = 634,869,656.10 : x - Step 2: Convert to fraction form
1,058,240,138.58/1,460,453,082.91 = 634,869,656.10/x - Step 3: Cross multiply
1,058,240,138.58x = 1,460,453,082.91 × 634,869,656.10 - Step 4: Simplify right side
1,058,240,138.58x = 927,197,346,495,669,376 - Step 5: Solve for x
x = 927,197,346,495,669,376/1,058,240,138.58 - Step 6: Final answer
x = 876,169,134.67
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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.