Finding the Fourth Proportional to 386,724,267.70, 579,236,095.95 and 335,705,931.70
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Solution
The fourth proportional to 386,724,267.70, 579,236,095.95 and 335,705,931.70 is: 502,820,767.94
Step by Step Solution
- Step 1: Write the proportion equation
386,724,267.70 : 579,236,095.95 = 335,705,931.70 : x - Step 2: Convert to fraction form
386,724,267.70/579,236,095.95 = 335,705,931.70/x - Step 3: Cross multiply
386,724,267.70x = 579,236,095.95 × 335,705,931.70 - Step 4: Simplify right side
386,724,267.70x = 194,452,993,265,165,344 - Step 5: Solve for x
x = 194,452,993,265,165,344/386,724,267.70 - Step 6: Final answer
x = 502,820,767.94
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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.