Finding the Fourth Proportional to 422,782,133.04, 583,438,149.18 and 234,638,831.70
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Solution
The fourth proportional to 422,782,133.04, 583,438,149.18 and 234,638,831.70 is: 323,800,924.86
Step by Step Solution
- Step 1: Write the proportion equation
422,782,133.04 : 583,438,149.18 = 234,638,831.70 : x - Step 2: Convert to fraction form
422,782,133.04/583,438,149.18 = 234,638,831.70/x - Step 3: Cross multiply
422,782,133.04x = 583,438,149.18 × 234,638,831.70 - Step 4: Simplify right side
422,782,133.04x = 136,897,245,692,805,488 - Step 5: Solve for x
x = 136,897,245,692,805,488/422,782,133.04 - Step 6: Final answer
x = 323,800,924.86
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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.