Finding the Fourth Proportional to 1,090,432,556.82, 1,636,159,609.08 and 537,433,525.08
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Solution
The fourth proportional to 1,090,432,556.82, 1,636,159,609.08 and 537,433,525.08 is: 806,402,028.99
Step by Step Solution
- Step 1: Write the proportion equation
1,090,432,556.82 : 1,636,159,609.08 = 537,433,525.08 : x - Step 2: Convert to fraction form
1,090,432,556.82/1,636,159,609.08 = 537,433,525.08/x - Step 3: Cross multiply
1,090,432,556.82x = 1,636,159,609.08 × 537,433,525.08 - Step 4: Simplify right side
1,090,432,556.82x = 879,327,026,301,379,200 - Step 5: Solve for x
x = 879,327,026,301,379,200/1,090,432,556.82 - Step 6: Final answer
x = 806,402,028.99
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Double scale
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1.5x scale
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.