Finding the Fourth Proportional to 2,088,551,986.95, 3,133,184,893.08 and 861,049,423.11
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Solution
The fourth proportional to 2,088,551,986.95, 3,133,184,893.08 and 861,049,423.11 is: 1,291,721,279.40
Step by Step Solution
- Step 1: Write the proportion equation
2,088,551,986.95 : 3,133,184,893.08 = 861,049,423.11 : x - Step 2: Convert to fraction form
2,088,551,986.95/3,133,184,893.08 = 861,049,423.11/x - Step 3: Cross multiply
2,088,551,986.95x = 3,133,184,893.08 × 861,049,423.11 - Step 4: Simplify right side
2,088,551,986.95x = 2,697,827,044,683,501,056 - Step 5: Solve for x
x = 2,697,827,044,683,501,056/2,088,551,986.95 - Step 6: Final answer
x = 1,291,721,279.40
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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.