Finding the Fourth Proportional to 307,692,839.68, 424,599,296.64 and 168,436,661.76
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Solution
The fourth proportional to 307,692,839.68, 424,599,296.64 and 168,436,661.76 is: 232,433,384.49
Step by Step Solution
- Step 1: Write the proportion equation
307,692,839.68 : 424,599,296.64 = 168,436,661.76 : x - Step 2: Convert to fraction form
307,692,839.68/424,599,296.64 = 168,436,661.76/x - Step 3: Cross multiply
307,692,839.68x = 424,599,296.64 × 168,436,661.76 - Step 4: Simplify right side
307,692,839.68x = 71,518,088,111,685,576 - Step 5: Solve for x
x = 71,518,088,111,685,576/307,692,839.68 - Step 6: Final answer
x = 232,433,384.49
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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.