Finding the Fourth Proportional to 411,527,107.66, 619,754,140.58 and 374,793,905.74
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Solution
The fourth proportional to 411,527,107.66, 619,754,140.58 and 374,793,905.74 is: 564,434,445.81
Step by Step Solution
- Step 1: Write the proportion equation
411,527,107.66 : 619,754,140.58 = 374,793,905.74 : x - Step 2: Convert to fraction form
411,527,107.66/619,754,140.58 = 374,793,905.74/x - Step 3: Cross multiply
411,527,107.66x = 619,754,140.58 × 374,793,905.74 - Step 4: Simplify right side
411,527,107.66x = 232,280,074,946,515,264 - Step 5: Solve for x
x = 232,280,074,946,515,264/411,527,107.66 - Step 6: Final answer
x = 564,434,445.81
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.