Finding the Fourth Proportional to 6,475,233,233.70, 9,712,849,850.55 and 3,720,243,089.70
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Solution
The fourth proportional to 6,475,233,233.70, 9,712,849,850.55 and 3,720,243,089.70 is: 5,580,364,634.55
Step by Step Solution
- Step 1: Write the proportion equation
6,475,233,233.70 : 9,712,849,850.55 = 3,720,243,089.70 : x - Step 2: Convert to fraction form
6,475,233,233.70/9,712,849,850.55 = 3,720,243,089.70/x - Step 3: Cross multiply
6,475,233,233.70x = 9,712,849,850.55 × 3,720,243,089.70 - Step 4: Simplify right side
6,475,233,233.70x = 36,134,162,537,802,309,632 - Step 5: Solve for x
x = 36,134,162,537,802,309,632/6,475,233,233.70 - Step 6: Final answer
x = 5,580,364,634.55
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Double scale
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Similar ratio
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.