Finding the Fourth Proportional to 627,495,635.84, 941,358,353.27 and 258,829,470.09
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Solution
The fourth proportional to 627,495,635.84, 941,358,353.27 and 258,829,470.09 is: 388,291,598.90
Step by Step Solution
- Step 1: Write the proportion equation
627,495,635.84 : 941,358,353.27 = 258,829,470.09 : x - Step 2: Convert to fraction form
627,495,635.84/941,358,353.27 = 258,829,470.09/x - Step 3: Cross multiply
627,495,635.84x = 941,358,353.27 × 258,829,470.09 - Step 4: Simplify right side
627,495,635.84x = 243,651,283,740,374,976 - Step 5: Solve for x
x = 243,651,283,740,374,976/627,495,635.84 - Step 6: Final answer
x = 388,291,598.90
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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.