Finding the Fourth Proportional to 424,438,183.98, 636,657,275.70 and 117,730,296.72
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Solution
The fourth proportional to 424,438,183.98, 636,657,275.70 and 117,730,296.72 is: 176,595,445.01
Step by Step Solution
- Step 1: Write the proportion equation
424,438,183.98 : 636,657,275.70 = 117,730,296.72 : x - Step 2: Convert to fraction form
424,438,183.98/636,657,275.70 = 117,730,296.72/x - Step 3: Cross multiply
424,438,183.98x = 636,657,275.70 × 117,730,296.72 - Step 4: Simplify right side
424,438,183.98x = 74,953,849,977,107,856 - Step 5: Solve for x
x = 74,953,849,977,107,856/424,438,183.98 - Step 6: Final answer
x = 176,595,445.01
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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.