Finding the Fourth Proportional to 1,213,127,952,211.20, 1,674,169,198,668.10 and 671,804,673,955.94
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Solution
The fourth proportional to 1,213,127,952,211.20, 1,674,169,198,668.10 and 671,804,673,955.94 is: 927,119,592,461.99
Step by Step Solution
- Step 1: Write the proportion equation
1,213,127,952,211.20 : 1,674,169,198,668.10 = 671,804,673,955.94 : x - Step 2: Convert to fraction form
1,213,127,952,211.20/1,674,169,198,668.10 = 671,804,673,955.94/x - Step 3: Cross multiply
1,213,127,952,211.20x = 1,674,169,198,668.10 × 671,804,673,955.94 - Step 4: Simplify right side
1,213,127,952,211.20x = 1,124,714,692,658,300,173,942,784 - Step 5: Solve for x
x = 1,124,714,692,658,300,173,942,784/1,213,127,952,211.20 - Step 6: Final answer
x = 927,119,592,461.99
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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.