Finding the Fourth Proportional to 1,316,131,689.04, 1,974,197,413.71 and 579,201,593.29
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Solution
The fourth proportional to 1,316,131,689.04, 1,974,197,413.71 and 579,201,593.29 is: 868,802,337.19
Step by Step Solution
- Step 1: Write the proportion equation
1,316,131,689.04 : 1,974,197,413.71 = 579,201,593.29 : x - Step 2: Convert to fraction form
1,316,131,689.04/1,974,197,413.71 = 579,201,593.29/x - Step 3: Cross multiply
1,316,131,689.04x = 1,974,197,413.71 × 579,201,593.29 - Step 4: Simplify right side
1,316,131,689.04x = 1,143,458,287,489,829,248 - Step 5: Solve for x
x = 1,143,458,287,489,829,248/1,316,131,689.04 - Step 6: Final answer
x = 868,802,337.19
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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.