Finding the Fourth Proportional to 1,195,884,363,929.90, 1,793,831,199,779 and 289,320,717,348.12
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Solution
The fourth proportional to 1,195,884,363,929.90, 1,793,831,199,779 and 289,320,717,348.12 is: 433,982,201,937.98
Step by Step Solution
- Step 1: Write the proportion equation
1,195,884,363,929.90 : 1,793,831,199,779 = 289,320,717,348.12 : x - Step 2: Convert to fraction form
1,195,884,363,929.90/1,793,831,199,779 = 289,320,717,348.12/x - Step 3: Cross multiply
1,195,884,363,929.90x = 1,793,831,199,779 × 289,320,717,348.12 - Step 4: Simplify right side
1,195,884,363,929.90x = 518,992,529,521,498,998,702,080 - Step 5: Solve for x
x = 518,992,529,521,498,998,702,080/1,195,884,363,929.90 - Step 6: Final answer
x = 433,982,201,937.98
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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.