Finding the Fourth Proportional to 1,395,872,206,166.40, 2,090,876,103,721.80 and 885,668,352,013.05
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Solution
The fourth proportional to 1,395,872,206,166.40, 2,090,876,103,721.80 and 885,668,352,013.05 is: 1,326,642,070,001.93
Step by Step Solution
- Step 1: Write the proportion equation
1,395,872,206,166.40 : 2,090,876,103,721.80 = 885,668,352,013.05 : x - Step 2: Convert to fraction form
1,395,872,206,166.40/2,090,876,103,721.80 = 885,668,352,013.05/x - Step 3: Cross multiply
1,395,872,206,166.40x = 2,090,876,103,721.80 × 885,668,352,013.05 - Step 4: Simplify right side
1,395,872,206,166.40x = 1,851,822,793,046,753,858,813,952 - Step 5: Solve for x
x = 1,851,822,793,046,753,858,813,952/1,395,872,206,166.40 - Step 6: Final answer
x = 1,326,642,070,001.93
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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.