Finding the Fourth Proportional to 357,560,775.68, 536,121,657.60 and 138,955,865.60
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Solution
The fourth proportional to 357,560,775.68, 536,121,657.60 and 138,955,865.60 is: 208,348,493.64
Step by Step Solution
- Step 1: Write the proportion equation
357,560,775.68 : 536,121,657.60 = 138,955,865.60 : x - Step 2: Convert to fraction form
357,560,775.68/536,121,657.60 = 138,955,865.60/x - Step 3: Cross multiply
357,560,775.68x = 536,121,657.60 × 138,955,865.60 - Step 4: Simplify right side
357,560,775.68x = 74,497,248,998,714,816 - Step 5: Solve for x
x = 74,497,248,998,714,816/357,560,775.68 - Step 6: Final answer
x = 208,348,493.64
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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.