Finding the Fourth Proportional to 636,497,368.88, 954,746,318.59 and 286,334,434.76
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Solution
The fourth proportional to 636,497,368.88, 954,746,318.59 and 286,334,434.76 is: 429,501,771.47
Step by Step Solution
- Step 1: Write the proportion equation
636,497,368.88 : 954,746,318.59 = 286,334,434.76 : x - Step 2: Convert to fraction form
636,497,368.88/954,746,318.59 = 286,334,434.76/x - Step 3: Cross multiply
636,497,368.88x = 954,746,318.59 × 286,334,434.76 - Step 4: Simplify right side
636,497,368.88x = 273,376,747,467,168,960 - Step 5: Solve for x
x = 273,376,747,467,168,960/636,497,368.88 - Step 6: Final answer
x = 429,501,771.47
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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.