Finding the Fourth Proportional to 7,685,703,895.17, 11,530,128,225.48 and 2,642,905,429.02
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Solution
The fourth proportional to 7,685,703,895.17, 11,530,128,225.48 and 2,642,905,429.02 is: 3,964,898,843.37
Step by Step Solution
- Step 1: Write the proportion equation
7,685,703,895.17 : 11,530,128,225.48 = 2,642,905,429.02 : x - Step 2: Convert to fraction form
7,685,703,895.17/11,530,128,225.48 = 2,642,905,429.02/x - Step 3: Cross multiply
7,685,703,895.17x = 11,530,128,225.48 × 2,642,905,429.02 - Step 4: Simplify right side
7,685,703,895.17x = 30,473,038,484,417,830,912 - Step 5: Solve for x
x = 30,473,038,484,417,830,912/7,685,703,895.17 - Step 6: Final answer
x = 3,964,898,843.37
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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.