Finding the Fourth Proportional to 737,168,637.04, 1,017,286,021.44 and 402,641,089.68
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Solution
The fourth proportional to 737,168,637.04, 1,017,286,021.44 and 402,641,089.68 is: 555,641,045.49
Step by Step Solution
- Step 1: Write the proportion equation
737,168,637.04 : 1,017,286,021.44 = 402,641,089.68 : x - Step 2: Convert to fraction form
737,168,637.04/1,017,286,021.44 = 402,641,089.68/x - Step 3: Cross multiply
737,168,637.04x = 1,017,286,021.44 × 402,641,089.68 - Step 4: Simplify right side
737,168,637.04x = 409,601,152,188,833,472 - Step 5: Solve for x
x = 409,601,152,188,833,472/737,168,637.04 - Step 6: Final answer
x = 555,641,045.49
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.