Finding the Fourth Proportional to 7,209,835,730.88, 9,946,403,919.36 and 4,350,382,997.76
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Solution
The fourth proportional to 7,209,835,730.88, 9,946,403,919.36 and 4,350,382,997.76 is: 6,001,616,141.45
Step by Step Solution
- Step 1: Write the proportion equation
7,209,835,730.88 : 9,946,403,919.36 = 4,350,382,997.76 : x - Step 2: Convert to fraction form
7,209,835,730.88/9,946,403,919.36 = 4,350,382,997.76/x - Step 3: Cross multiply
7,209,835,730.88x = 9,946,403,919.36 × 4,350,382,997.76 - Step 4: Simplify right side
7,209,835,730.88x = 43,270,666,499,637,174,272 - Step 5: Solve for x
x = 43,270,666,499,637,174,272/7,209,835,730.88 - Step 6: Final answer
x = 6,001,616,141.45
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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.