Finding the Fourth Proportional to 1,453,972,841,876.80, 2,180,959,262,965.40 and 485,881,282,536.98
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Solution
The fourth proportional to 1,453,972,841,876.80, 2,180,959,262,965.40 and 485,881,282,536.98 is: 728,821,923,855.66
Step by Step Solution
- Step 1: Write the proportion equation
1,453,972,841,876.80 : 2,180,959,262,965.40 = 485,881,282,536.98 : x - Step 2: Convert to fraction form
1,453,972,841,876.80/2,180,959,262,965.40 = 485,881,282,536.98/x - Step 3: Cross multiply
1,453,972,841,876.80x = 2,180,959,262,965.40 × 485,881,282,536.98 - Step 4: Simplify right side
1,453,972,841,876.80x = 1,059,687,283,850,535,113,850,880 - Step 5: Solve for x
x = 1,059,687,283,850,535,113,850,880/1,453,972,841,876.80 - Step 6: Final answer
x = 728,821,923,855.66
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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.