Finding the Fourth Proportional to 7,587,264,531.09, 10,470,549,013.19 and 4,153,905,566.80
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Solution
The fourth proportional to 7,587,264,531.09, 10,470,549,013.19 and 4,153,905,566.80 is: 5,732,457,548.45
Step by Step Solution
- Step 1: Write the proportion equation
7,587,264,531.09 : 10,470,549,013.19 = 4,153,905,566.80 : x - Step 2: Convert to fraction form
7,587,264,531.09/10,470,549,013.19 = 4,153,905,566.80/x - Step 3: Cross multiply
7,587,264,531.09x = 10,470,549,013.19 × 4,153,905,566.80 - Step 4: Simplify right side
7,587,264,531.09x = 43,493,671,833,342,189,568 - Step 5: Solve for x
x = 43,493,671,833,342,189,568/7,587,264,531.09 - Step 6: Final answer
x = 5,732,457,548.45
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1.5x scale
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.