Finding the Fourth Proportional to 648,191,134.08, 894,503,695.70 and 350,833,328.06
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Solution
The fourth proportional to 648,191,134.08, 894,503,695.70 and 350,833,328.06 is: 484,149,955.19
Step by Step Solution
- Step 1: Write the proportion equation
648,191,134.08 : 894,503,695.70 = 350,833,328.06 : x - Step 2: Convert to fraction form
648,191,134.08/894,503,695.70 = 350,833,328.06/x - Step 3: Cross multiply
648,191,134.08x = 894,503,695.70 × 350,833,328.06 - Step 4: Simplify right side
648,191,134.08x = 313,821,708,520,805,056 - Step 5: Solve for x
x = 313,821,708,520,805,056/648,191,134.08 - Step 6: Final answer
x = 484,149,955.19
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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.