Finding the Fourth Proportional to 1,663,006,695.84, 2,294,921,402.64 and 920,434,860.96
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Solution
The fourth proportional to 1,663,006,695.84, 2,294,921,402.64 and 920,434,860.96 is: 1,270,184,700.66
Step by Step Solution
- Step 1: Write the proportion equation
1,663,006,695.84 : 2,294,921,402.64 = 920,434,860.96 : x - Step 2: Convert to fraction form
1,663,006,695.84/2,294,921,402.64 = 920,434,860.96/x - Step 3: Cross multiply
1,663,006,695.84x = 2,294,921,402.64 × 920,434,860.96 - Step 4: Simplify right side
1,663,006,695.84x = 2,112,325,662,153,076,480 - Step 5: Solve for x
x = 2,112,325,662,153,076,480/1,663,006,695.84 - Step 6: Final answer
x = 1,270,184,700.66
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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.