Finding the Fourth Proportional to 299,560,665.60, 449,390,764.80 and 117,813,772.80
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Solution
The fourth proportional to 299,560,665.60, 449,390,764.80 and 117,813,772.80 is: 176,740,231.75
Step by Step Solution
- Step 1: Write the proportion equation
299,560,665.60 : 449,390,764.80 = 117,813,772.80 : x - Step 2: Convert to fraction form
299,560,665.60/449,390,764.80 = 117,813,772.80/x - Step 3: Cross multiply
299,560,665.60x = 449,390,764.80 × 117,813,772.80 - Step 4: Simplify right side
299,560,665.60x = 52,944,421,462,565,440 - Step 5: Solve for x
x = 52,944,421,462,565,440/299,560,665.60 - Step 6: Final answer
x = 176,740,231.75
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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.