Finding the Fourth Proportional to 5,490,778,360.16, 7,475,904,321.44 and 5,473,344,438.56
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Solution
The fourth proportional to 5,490,778,360.16, 7,475,904,321.44 and 5,473,344,438.56 is: 7,452,167,371.73
Step by Step Solution
- Step 1: Write the proportion equation
5,490,778,360.16 : 7,475,904,321.44 = 5,473,344,438.56 : x - Step 2: Convert to fraction form
5,490,778,360.16/7,475,904,321.44 = 5,473,344,438.56/x - Step 3: Cross multiply
5,490,778,360.16x = 7,475,904,321.44 × 5,473,344,438.56 - Step 4: Simplify right side
5,490,778,360.16x = 40,918,199,340,960,292,864 - Step 5: Solve for x
x = 40,918,199,340,960,292,864/5,490,778,360.16 - Step 6: Final answer
x = 7,452,167,371.73
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.