Finding the Fourth Proportional to 283,247,603.84, 390,893,756.67 and 157,799,728.74
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Solution
The fourth proportional to 283,247,603.84, 390,893,756.67 and 157,799,728.74 is: 217,770,346.27
Step by Step Solution
- Step 1: Write the proportion equation
283,247,603.84 : 390,893,756.67 = 157,799,728.74 : x - Step 2: Convert to fraction form
283,247,603.84/390,893,756.67 = 157,799,728.74/x - Step 3: Cross multiply
283,247,603.84x = 390,893,756.67 × 157,799,728.74 - Step 4: Simplify right side
283,247,603.84x = 61,682,928,768,685,576 - Step 5: Solve for x
x = 61,682,928,768,685,576/283,247,603.84 - Step 6: Final answer
x = 217,770,346.27
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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.