Finding the Fourth Proportional to 605,131,553.12, 840,719,225.40 and 597,875,612.00
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Solution
The fourth proportional to 605,131,553.12, 840,719,225.40 and 597,875,612.00 is: 830,638,426.99
Step by Step Solution
- Step 1: Write the proportion equation
605,131,553.12 : 840,719,225.40 = 597,875,612.00 : x - Step 2: Convert to fraction form
605,131,553.12/840,719,225.40 = 597,875,612.00/x - Step 3: Cross multiply
605,131,553.12x = 840,719,225.40 × 597,875,612.00 - Step 4: Simplify right side
605,131,553.12x = 502,645,521,399,745,344 - Step 5: Solve for x
x = 502,645,521,399,745,344/605,131,553.12 - Step 6: Final answer
x = 830,638,426.99
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Why These Related Problems?
These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.