Finding the Fourth Proportional to 3,730,048,347.93, 5,149,789,774.31 and 2,374,447,129.65
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Solution
The fourth proportional to 3,730,048,347.93, 5,149,789,774.31 and 2,374,447,129.65 is: 3,278,215,831.89
Step by Step Solution
- Step 1: Write the proportion equation
3,730,048,347.93 : 5,149,789,774.31 = 2,374,447,129.65 : x - Step 2: Convert to fraction form
3,730,048,347.93/5,149,789,774.31 = 2,374,447,129.65/x - Step 3: Cross multiply
3,730,048,347.93x = 5,149,789,774.31 × 2,374,447,129.65 - Step 4: Simplify right side
3,730,048,347.93x = 12,227,903,547,899,428,864 - Step 5: Solve for x
x = 12,227,903,547,899,428,864/3,730,048,347.93 - Step 6: Final answer
x = 3,278,215,831.89
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1.5x scale
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.