Finding the Fourth Proportional to 7,185,987,869,489.60, 10,778,887,651,818 and 1,746,598,917,272.70
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Solution
The fourth proportional to 7,185,987,869,489.60, 10,778,887,651,818 and 1,746,598,917,272.70 is: 2,619,875,491,580.34
Step by Step Solution
- Step 1: Write the proportion equation
7,185,987,869,489.60 : 10,778,887,651,818 = 1,746,598,917,272.70 : x - Step 2: Convert to fraction form
7,185,987,869,489.60/10,778,887,651,818 = 1,746,598,917,272.70/x - Step 3: Cross multiply
7,185,987,869,489.60x = 10,778,887,651,818 × 1,746,598,917,272.70 - Step 4: Simplify right side
7,185,987,869,489.60x = 18,826,393,502,069,394,994,364,416 - Step 5: Solve for x
x = 18,826,393,502,069,394,994,364,416/7,185,987,869,489.60 - Step 6: Final answer
x = 2,619,875,491,580.34
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.