Finding the Fourth Proportional to 636,497,369.38, 954,746,319.34 and 286,334,435.26
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Solution
The fourth proportional to 636,497,369.38, 954,746,319.34 and 286,334,435.26 is: 429,501,772.22
Step by Step Solution
- Step 1: Write the proportion equation
636,497,369.38 : 954,746,319.34 = 286,334,435.26 : x - Step 2: Convert to fraction form
636,497,369.38/954,746,319.34 = 286,334,435.26/x - Step 3: Cross multiply
636,497,369.38x = 954,746,319.34 × 286,334,435.26 - Step 4: Simplify right side
636,497,369.38x = 273,376,748,160,008,800 - Step 5: Solve for x
x = 273,376,748,160,008,800/636,497,369.38 - Step 6: Final answer
x = 429,501,772.22
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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.