Finding the Fourth Proportional to 4,239,323,970.49, 6,359,934,370.74 and 1,291,834,271.17
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Solution
The fourth proportional to 4,239,323,970.49, 6,359,934,370.74 and 1,291,834,271.17 is: 1,938,040,413.92
Step by Step Solution
- Step 1: Write the proportion equation
4,239,323,970.49 : 6,359,934,370.74 = 1,291,834,271.17 : x - Step 2: Convert to fraction form
4,239,323,970.49/6,359,934,370.74 = 1,291,834,271.17/x - Step 3: Cross multiply
4,239,323,970.49x = 6,359,934,370.74 × 1,291,834,271.17 - Step 4: Simplify right side
4,239,323,970.49x = 8,215,981,182,513,940,480 - Step 5: Solve for x
x = 8,215,981,182,513,940,480/4,239,323,970.49 - Step 6: Final answer
x = 1,938,040,413.92
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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.