Finding the Fourth Proportional to 453,006,036.94, 679,509,843.63 and 142,137,509.78
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Solution
The fourth proportional to 453,006,036.94, 679,509,843.63 and 142,137,509.78 is: 213,206,511.99
Step by Step Solution
- Step 1: Write the proportion equation
453,006,036.94 : 679,509,843.63 = 142,137,509.78 : x - Step 2: Convert to fraction form
453,006,036.94/679,509,843.63 = 142,137,509.78/x - Step 3: Cross multiply
453,006,036.94x = 679,509,843.63 × 142,137,509.78 - Step 4: Simplify right side
453,006,036.94x = 96,583,837,046,531,392 - Step 5: Solve for x
x = 96,583,837,046,531,392/453,006,036.94 - Step 6: Final answer
x = 213,206,511.99
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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.