Finding the Fourth Proportional to 492,258,192.84, 679,310,802.32 and 269,246,281.77
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Solution
The fourth proportional to 492,258,192.84, 679,310,802.32 and 269,246,281.77 is: 371,556,858.47
Step by Step Solution
- Step 1: Write the proportion equation
492,258,192.84 : 679,310,802.32 = 269,246,281.77 : x - Step 2: Convert to fraction form
492,258,192.84/679,310,802.32 = 269,246,281.77/x - Step 3: Cross multiply
492,258,192.84x = 679,310,802.32 × 269,246,281.77 - Step 4: Simplify right side
492,258,192.84x = 182,901,907,689,509,248 - Step 5: Solve for x
x = 182,901,907,689,509,248/492,258,192.84 - Step 6: Final answer
x = 371,556,858.47
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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.