Finding the Fourth Proportional to 873,612,161.17, 1,310,602,507.51 and 283,356,559.75
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Solution
The fourth proportional to 873,612,161.17, 1,310,602,507.51 and 283,356,559.75 is: 425,094,606.32
Step by Step Solution
- Step 1: Write the proportion equation
873,612,161.17 : 1,310,602,507.51 = 283,356,559.75 : x - Step 2: Convert to fraction form
873,612,161.17/1,310,602,507.51 = 283,356,559.75/x - Step 3: Cross multiply
873,612,161.17x = 1,310,602,507.51 × 283,356,559.75 - Step 4: Simplify right side
873,612,161.17x = 371,367,817,728,323,648 - Step 5: Solve for x
x = 371,367,817,728,323,648/873,612,161.17 - Step 6: Final answer
x = 425,094,606.32
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.