Finding the Fourth Proportional to 554,903,612.80, 832,103,476.80 and 209,742,524.80
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Solution
The fourth proportional to 554,903,612.80, 832,103,476.80 and 209,742,524.80 is: 314,518,557.99
Step by Step Solution
- Step 1: Write the proportion equation
554,903,612.80 : 832,103,476.80 = 209,742,524.80 : x - Step 2: Convert to fraction form
554,903,612.80/832,103,476.80 = 209,742,524.80/x - Step 3: Cross multiply
554,903,612.80x = 832,103,476.80 × 209,742,524.80 - Step 4: Simplify right side
554,903,612.80x = 174,527,484,118,890,240 - Step 5: Solve for x
x = 174,527,484,118,890,240/554,903,612.80 - Step 6: Final answer
x = 314,518,557.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.