Finding the Fourth Proportional to 1,550,746,841.07, 2,140,044,298.44 and 845,901,957.18
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Solution
The fourth proportional to 1,550,746,841.07, 2,140,044,298.44 and 845,901,957.18 is: 1,167,352,150.95
Step by Step Solution
- Step 1: Write the proportion equation
1,550,746,841.07 : 2,140,044,298.44 = 845,901,957.18 : x - Step 2: Convert to fraction form
1,550,746,841.07/2,140,044,298.44 = 845,901,957.18/x - Step 3: Cross multiply
1,550,746,841.07x = 2,140,044,298.44 × 845,901,957.18 - Step 4: Simplify right side
1,550,746,841.07x = 1,810,267,660,502,296,064 - Step 5: Solve for x
x = 1,810,267,660,502,296,064/1,550,746,841.07 - Step 6: Final answer
x = 1,167,352,150.95
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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.