Finding the Fourth Proportional to 1,403,602,736.04, 1,936,972,244.39 and 768,563,392.14
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Solution
The fourth proportional to 1,403,602,736.04, 1,936,972,244.39 and 768,563,392.14 is: 1,060,617,737.77
Step by Step Solution
- Step 1: Write the proportion equation
1,403,602,736.04 : 1,936,972,244.39 = 768,563,392.14 : x - Step 2: Convert to fraction form
1,403,602,736.04/1,936,972,244.39 = 768,563,392.14/x - Step 3: Cross multiply
1,403,602,736.04x = 1,936,972,244.39 × 768,563,392.14 - Step 4: Simplify right side
1,403,602,736.04x = 1,488,685,958,625,564,672 - Step 5: Solve for x
x = 1,488,685,958,625,564,672/1,403,602,736.04 - Step 6: Final answer
x = 1,060,617,737.77
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.