Finding the Fourth Proportional to 495,539,397.39, 683,650,831.14 and 283,733,040.09
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Solution
The fourth proportional to 495,539,397.39, 683,650,831.14 and 283,733,040.09 is: 391,440,780.90
Step by Step Solution
- Step 1: Write the proportion equation
495,539,397.39 : 683,650,831.14 = 283,733,040.09 : x - Step 2: Convert to fraction form
495,539,397.39/683,650,831.14 = 283,733,040.09/x - Step 3: Cross multiply
495,539,397.39x = 683,650,831.14 × 283,733,040.09 - Step 4: Simplify right side
495,539,397.39x = 193,974,328,679,407,424 - Step 5: Solve for x
x = 193,974,328,679,407,424/495,539,397.39 - Step 6: Final answer
x = 391,440,780.90
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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.