Finding the Fourth Proportional to 2,078,306,607.25, 2,868,040,269.52 and 1,125,663,646.65
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Solution
The fourth proportional to 2,078,306,607.25, 2,868,040,269.52 and 1,125,663,646.65 is: 1,553,403,457.06
Step by Step Solution
- Step 1: Write the proportion equation
2,078,306,607.25 : 2,868,040,269.52 = 1,125,663,646.65 : x - Step 2: Convert to fraction form
2,078,306,607.25/2,868,040,269.52 = 1,125,663,646.65/x - Step 3: Cross multiply
2,078,306,607.25x = 2,868,040,269.52 × 1,125,663,646.65 - Step 4: Simplify right side
2,078,306,607.25x = 3,228,448,668,526,932,480 - Step 5: Solve for x
x = 3,228,448,668,526,932,480/2,078,306,607.25 - Step 6: Final answer
x = 1,553,403,457.06
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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.