Finding the Fourth Proportional to 665,416,416, 918,213,029.86 and 368,052,258.08
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Solution
The fourth proportional to 665,416,416, 918,213,029.86 and 368,052,258.08 is: 507,878,030.83
Step by Step Solution
- Step 1: Write the proportion equation
665,416,416 : 918,213,029.86 = 368,052,258.08 : x - Step 2: Convert to fraction form
665,416,416/918,213,029.86 = 368,052,258.08/x - Step 3: Cross multiply
665,416,416x = 918,213,029.86 × 368,052,258.08 - Step 4: Simplify right side
665,416,416x = 337,950,379,038,451,456 - Step 5: Solve for x
x = 337,950,379,038,451,456/665,416,416 - Step 6: Final answer
x = 507,878,030.83
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.