Finding the Fourth Proportional to 944,486,309.94, 1,303,395,634.71 and 521,099,949.84
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Solution
The fourth proportional to 944,486,309.94, 1,303,395,634.71 and 521,099,949.84 is: 719,120,428.45
Step by Step Solution
- Step 1: Write the proportion equation
944,486,309.94 : 1,303,395,634.71 = 521,099,949.84 : x - Step 2: Convert to fraction form
944,486,309.94/1,303,395,634.71 = 521,099,949.84/x - Step 3: Cross multiply
944,486,309.94x = 1,303,395,634.71 × 521,099,949.84 - Step 4: Simplify right side
944,486,309.94x = 679,199,399,869,056,000 - Step 5: Solve for x
x = 679,199,399,869,056,000/944,486,309.94 - Step 6: Final answer
x = 719,120,428.45
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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.