Finding the Fourth Proportional to 7,587,264,525.65, 10,470,549,005.68 and 4,153,905,561.36
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Solution
The fourth proportional to 7,587,264,525.65, 10,470,549,005.68 and 4,153,905,561.36 is: 5,732,457,540.94
Step by Step Solution
- Step 1: Write the proportion equation
7,587,264,525.65 : 10,470,549,005.68 = 4,153,905,561.36 : x - Step 2: Convert to fraction form
7,587,264,525.65/10,470,549,005.68 = 4,153,905,561.36/x - Step 3: Cross multiply
7,587,264,525.65x = 10,470,549,005.68 × 4,153,905,561.36 - Step 4: Simplify right side
7,587,264,525.65x = 43,493,671,745,186,570,240 - Step 5: Solve for x
x = 43,493,671,745,186,570,240/7,587,264,525.65 - Step 6: Final answer
x = 5,732,457,540.94
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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.