Finding the Fourth Proportional to 7,587,264,529.09, 10,470,549,010.43 and 4,153,905,564.80
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Solution
The fourth proportional to 7,587,264,529.09, 10,470,549,010.43 and 4,153,905,564.80 is: 5,732,457,545.68
Step by Step Solution
- Step 1: Write the proportion equation
7,587,264,529.09 : 10,470,549,010.43 = 4,153,905,564.80 : x - Step 2: Convert to fraction form
7,587,264,529.09/10,470,549,010.43 = 4,153,905,564.80/x - Step 3: Cross multiply
7,587,264,529.09x = 10,470,549,010.43 × 4,153,905,564.80 - Step 4: Simplify right side
7,587,264,529.09x = 43,493,671,800,863,186,944 - Step 5: Solve for x
x = 43,493,671,800,863,186,944/7,587,264,529.09 - Step 6: Final answer
x = 5,732,457,545.68
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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.