Finding the Fourth Proportional to 4,721,549,888.24, 7,051,713,096.64 and 4,278,006,384.96
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Solution
The fourth proportional to 4,721,549,888.24, 7,051,713,096.64 and 4,278,006,384.96 is: 6,389,273,515.35
Step by Step Solution
- Step 1: Write the proportion equation
4,721,549,888.24 : 7,051,713,096.64 = 4,278,006,384.96 : x - Step 2: Convert to fraction form
4,721,549,888.24/7,051,713,096.64 = 4,278,006,384.96/x - Step 3: Cross multiply
4,721,549,888.24x = 7,051,713,096.64 × 4,278,006,384.96 - Step 4: Simplify right side
4,721,549,888.24x = 30,167,273,652,331,974,656 - Step 5: Solve for x
x = 30,167,273,652,331,974,656/4,721,549,888.24 - Step 6: Final answer
x = 6,389,273,515.35
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.