Finding the Fourth Proportional to 502,532,827.74, 693,485,357.49 and 279,509,711.94
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Solution
The fourth proportional to 502,532,827.74, 693,485,357.49 and 279,509,711.94 is: 385,717,871.17
Step by Step Solution
- Step 1: Write the proportion equation
502,532,827.74 : 693,485,357.49 = 279,509,711.94 : x - Step 2: Convert to fraction form
502,532,827.74/693,485,357.49 = 279,509,711.94/x - Step 3: Cross multiply
502,532,827.74x = 693,485,357.49 × 279,509,711.94 - Step 4: Simplify right side
502,532,827.74x = 193,835,892,506,637,824 - Step 5: Solve for x
x = 193,835,892,506,637,824/502,532,827.74 - Step 6: Final answer
x = 385,717,871.17
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.