Finding the Fourth Proportional to 1,043,252,307.40, 1,564,878,461.10 and 783,058,793.80
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Solution
The fourth proportional to 1,043,252,307.40, 1,564,878,461.10 and 783,058,793.80 is: 1,174,588,190.70
Step by Step Solution
- Step 1: Write the proportion equation
1,043,252,307.40 : 1,564,878,461.10 = 783,058,793.80 : x - Step 2: Convert to fraction form
1,043,252,307.40/1,564,878,461.10 = 783,058,793.80/x - Step 3: Cross multiply
1,043,252,307.40x = 1,564,878,461.10 × 783,058,793.80 - Step 4: Simplify right side
1,043,252,307.40x = 1,225,391,840,192,566,016 - Step 5: Solve for x
x = 1,225,391,840,192,566,016/1,043,252,307.40 - Step 6: Final answer
x = 1,174,588,190.70
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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.