Finding the Fourth Proportional to 791,435,348.30, 1,187,163,125.48 and 209,164,563.29
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Solution
The fourth proportional to 791,435,348.30, 1,187,163,125.48 and 209,164,563.29 is: 313,749,515.02
Step by Step Solution
- Step 1: Write the proportion equation
791,435,348.30 : 1,187,163,125.48 = 209,164,563.29 : x - Step 2: Convert to fraction form
791,435,348.30/1,187,163,125.48 = 209,164,563.29/x - Step 3: Cross multiply
791,435,348.30x = 1,187,163,125.48 × 209,164,563.29 - Step 4: Simplify right side
791,435,348.30x = 248,312,456,698,506,496 - Step 5: Solve for x
x = 248,312,456,698,506,496/791,435,348.30 - Step 6: Final answer
x = 313,749,515.02
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.