Finding the Fourth Proportional to 816,855,368.96, 1,127,267,603.52 and 445,579,051.52
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Solution
The fourth proportional to 816,855,368.96, 1,127,267,603.52 and 445,579,051.52 is: 614,903,015.48
Step by Step Solution
- Step 1: Write the proportion equation
816,855,368.96 : 1,127,267,603.52 = 445,579,051.52 : x - Step 2: Convert to fraction form
816,855,368.96/1,127,267,603.52 = 445,579,051.52/x - Step 3: Cross multiply
816,855,368.96x = 1,127,267,603.52 × 445,579,051.52 - Step 4: Simplify right side
816,855,368.96x = 502,286,829,585,664,960 - Step 5: Solve for x
x = 502,286,829,585,664,960/816,855,368.96 - Step 6: Final answer
x = 614,903,015.48
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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.