Finding the Fourth Proportional to 988,795,186.58, 1,363,916,678.85 and 586,624,204.94
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Solution
The fourth proportional to 988,795,186.58, 1,363,916,678.85 and 586,624,204.94 is: 809,173,171.74
Step by Step Solution
- Step 1: Write the proportion equation
988,795,186.58 : 1,363,916,678.85 = 586,624,204.94 : x - Step 2: Convert to fraction form
988,795,186.58/1,363,916,678.85 = 586,624,204.94/x - Step 3: Cross multiply
988,795,186.58x = 1,363,916,678.85 × 586,624,204.94 - Step 4: Simplify right side
988,795,186.58x = 800,106,537,327,966,848 - Step 5: Solve for x
x = 800,106,537,327,966,848/988,795,186.58 - Step 6: Final answer
x = 809,173,171.74
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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.