Finding the Fourth Proportional to 499,679,064.36, 689,578,657.56 and 276,660,750.60
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Solution
The fourth proportional to 499,679,064.36, 689,578,657.56 and 276,660,750.60 is: 381,803,766.87
Step by Step Solution
- Step 1: Write the proportion equation
499,679,064.36 : 689,578,657.56 = 276,660,750.60 : x - Step 2: Convert to fraction form
499,679,064.36/689,578,657.56 = 276,660,750.60/x - Step 3: Cross multiply
499,679,064.36x = 689,578,657.56 × 276,660,750.60 - Step 4: Simplify right side
499,679,064.36x = 190,779,348,998,289,952 - Step 5: Solve for x
x = 190,779,348,998,289,952/499,679,064.36 - Step 6: Final answer
x = 381,803,766.87
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.