Finding the Fourth Proportional to 1,049,139,831.04, 1,447,290,295.14 and 625,454,950
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Solution
The fourth proportional to 1,049,139,831.04, 1,447,290,295.14 and 625,454,950 is: 862,816,235.17
Step by Step Solution
- Step 1: Write the proportion equation
1,049,139,831.04 : 1,447,290,295.14 = 625,454,950 : x - Step 2: Convert to fraction form
1,049,139,831.04/1,447,290,295.14 = 625,454,950/x - Step 3: Cross multiply
1,049,139,831.04x = 1,447,290,295.14 × 625,454,950 - Step 4: Simplify right side
1,049,139,831.04x = 905,214,879,182,274,048 - Step 5: Solve for x
x = 905,214,879,182,274,048/1,049,139,831.04 - Step 6: Final answer
x = 862,816,235.17
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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.