Finding the Fourth Proportional to 1,755,623,437.60, 2,420,416,606.95 and 1,394,714,895.55
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Solution
The fourth proportional to 1,755,623,437.60, 2,420,416,606.95 and 1,394,714,895.55 is: 1,922,844,627.64
Step by Step Solution
- Step 1: Write the proportion equation
1,755,623,437.60 : 2,420,416,606.95 = 1,394,714,895.55 : x - Step 2: Convert to fraction form
1,755,623,437.60/2,420,416,606.95 = 1,394,714,895.55/x - Step 3: Cross multiply
1,755,623,437.60x = 2,420,416,606.95 × 1,394,714,895.55 - Step 4: Simplify right side
1,755,623,437.60x = 3,375,791,095,149,754,368 - Step 5: Solve for x
x = 3,375,791,095,149,754,368/1,755,623,437.60 - Step 6: Final answer
x = 1,922,844,627.64
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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.