Finding the Fourth Proportional to 1,351,447,576.55, 1,865,644,362.21 and 900,076,695.96
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Solution
The fourth proportional to 1,351,447,576.55, 1,865,644,362.21 and 900,076,695.96 is: 1,242,536,553.04
Step by Step Solution
- Step 1: Write the proportion equation
1,351,447,576.55 : 1,865,644,362.21 = 900,076,695.96 : x - Step 2: Convert to fraction form
1,351,447,576.55/1,865,644,362.21 = 900,076,695.96/x - Step 3: Cross multiply
1,351,447,576.55x = 1,865,644,362.21 × 900,076,695.96 - Step 4: Simplify right side
1,351,447,576.55x = 1,679,223,013,374,378,496 - Step 5: Solve for x
x = 1,679,223,013,374,378,496/1,351,447,576.55 - Step 6: Final answer
x = 1,242,536,553.04
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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.