Finding the Fourth Proportional to 513,021,106, 708,044,765.16 and 324,866,573.20
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Solution
The fourth proportional to 513,021,106, 708,044,765.16 and 324,866,573.20 is: 448,363,768.74
Step by Step Solution
- Step 1: Write the proportion equation
513,021,106 : 708,044,765.16 = 324,866,573.20 : x - Step 2: Convert to fraction form
513,021,106/708,044,765.16 = 324,866,573.20/x - Step 3: Cross multiply
513,021,106x = 708,044,765.16 × 324,866,573.20 - Step 4: Simplify right side
513,021,106x = 230,020,076,529,727,936 - Step 5: Solve for x
x = 230,020,076,529,727,936/513,021,106 - Step 6: Final answer
x = 448,363,768.74
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.