Finding the Fourth Proportional to 439,640,312.00, 659,462,742.47 and 257,759,944.16
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Solution
The fourth proportional to 439,640,312.00, 659,462,742.47 and 257,759,944.16 is: 386,641,249.75
Step by Step Solution
- Step 1: Write the proportion equation
439,640,312.00 : 659,462,742.47 = 257,759,944.16 : x - Step 2: Convert to fraction form
439,640,312.00/659,462,742.47 = 257,759,944.16/x - Step 3: Cross multiply
439,640,312.00x = 659,462,742.47 × 257,759,944.16 - Step 4: Simplify right side
439,640,312.00x = 169,983,079,672,014,752 - Step 5: Solve for x
x = 169,983,079,672,014,752/439,640,312.00 - Step 6: Final answer
x = 386,641,249.75
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.