Finding the Fourth Proportional to 423,700,753.23, 635,553,159.65 and 128,598,436.53
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Solution
The fourth proportional to 423,700,753.23, 635,553,159.65 and 128,598,436.53 is: 192,898,270.86
Step by Step Solution
- Step 1: Write the proportion equation
423,700,753.23 : 635,553,159.65 = 128,598,436.53 : x - Step 2: Convert to fraction form
423,700,753.23/635,553,159.65 = 128,598,436.53/x - Step 3: Cross multiply
423,700,753.23x = 635,553,159.65 × 128,598,436.53 - Step 4: Simplify right side
423,700,753.23x = 81,731,142,662,048,496 - Step 5: Solve for x
x = 81,731,142,662,048,496/423,700,753.23 - Step 6: Final answer
x = 192,898,270.86
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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.