Finding the Fourth Proportional to 1,283,159,434.71, 1,770,761,330.42 and 696,448,691.67
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Solution
The fourth proportional to 1,283,159,434.71, 1,770,761,330.42 and 696,448,691.67 is: 961,099,905.80
Step by Step Solution
- Step 1: Write the proportion equation
1,283,159,434.71 : 1,770,761,330.42 = 696,448,691.67 : x - Step 2: Convert to fraction form
1,283,159,434.71/1,770,761,330.42 = 696,448,691.67/x - Step 3: Cross multiply
1,283,159,434.71x = 1,770,761,330.42 × 696,448,691.67 - Step 4: Simplify right side
1,283,159,434.71x = 1,233,244,411,827,355,136 - Step 5: Solve for x
x = 1,233,244,411,827,355,136/1,283,159,434.71 - Step 6: Final answer
x = 961,099,905.80
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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.