Finding the Fourth Proportional to 653,486,102.70, 917,176,368.90 and 653,486,102.70
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Solution
The fourth proportional to 653,486,102.70, 917,176,368.90 and 653,486,102.70 is: 917,176,368.90
Step by Step Solution
- Step 1: Write the proportion equation
653,486,102.70 : 917,176,368.90 = 653,486,102.70 : x - Step 2: Convert to fraction form
653,486,102.70/917,176,368.90 = 653,486,102.70/x - Step 3: Cross multiply
653,486,102.70x = 917,176,368.90 × 653,486,102.70 - Step 4: Simplify right side
653,486,102.70x = 599,362,010,800,998,528 - Step 5: Solve for x
x = 599,362,010,800,998,528/653,486,102.70 - Step 6: Final answer
x = 917,176,368.90
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.