Finding the Fourth Proportional to 2,607,696,029.80, 3,911,544,044.70 and 861,168,327.40
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Solution
The fourth proportional to 2,607,696,029.80, 3,911,544,044.70 and 861,168,327.40 is: 1,291,752,491.10
Step by Step Solution
- Step 1: Write the proportion equation
2,607,696,029.80 : 3,911,544,044.70 = 861,168,327.40 : x - Step 2: Convert to fraction form
2,607,696,029.80/3,911,544,044.70 = 861,168,327.40/x - Step 3: Cross multiply
2,607,696,029.80x = 3,911,544,044.70 × 861,168,327.40 - Step 4: Simplify right side
2,607,696,029.80x = 3,368,497,842,525,729,792 - Step 5: Solve for x
x = 3,368,497,842,525,729,792/2,607,696,029.80 - Step 6: Final answer
x = 1,291,752,491.10
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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.