Finding the Fourth Proportional to 453,006,038.36, 679,509,845.75 and 142,137,511.19
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Solution
The fourth proportional to 453,006,038.36, 679,509,845.75 and 142,137,511.19 is: 213,206,514.09
Step by Step Solution
- Step 1: Write the proportion equation
453,006,038.36 : 679,509,845.75 = 142,137,511.19 : x - Step 2: Convert to fraction form
453,006,038.36/679,509,845.75 = 142,137,511.19/x - Step 3: Cross multiply
453,006,038.36x = 679,509,845.75 × 142,137,511.19 - Step 4: Simplify right side
453,006,038.36x = 96,583,838,299,897,568 - Step 5: Solve for x
x = 96,583,838,299,897,568/453,006,038.36 - Step 6: Final answer
x = 213,206,514.09
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.