Finding the Fourth Proportional to 348,477,464.99, 480,927,015.16 and 199,812,417.98
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Solution
The fourth proportional to 348,477,464.99, 480,927,015.16 and 199,812,417.98 is: 275,757,256.70
Step by Step Solution
- Step 1: Write the proportion equation
348,477,464.99 : 480,927,015.16 = 199,812,417.98 : x - Step 2: Convert to fraction form
348,477,464.99/480,927,015.16 = 199,812,417.98/x - Step 3: Cross multiply
348,477,464.99x = 480,927,015.16 × 199,812,417.98 - Step 4: Simplify right side
348,477,464.99x = 96,095,189,768,119,552 - Step 5: Solve for x
x = 96,095,189,768,119,552/348,477,464.99 - Step 6: Final answer
x = 275,757,256.70
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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.