Finding the Fourth Proportional to 1,214,267,881.64, 1,675,690,237.29 and 657,350,928.70
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Solution
The fourth proportional to 1,214,267,881.64, 1,675,690,237.29 and 657,350,928.70 is: 907,144,585.11
Step by Step Solution
- Step 1: Write the proportion equation
1,214,267,881.64 : 1,675,690,237.29 = 657,350,928.70 : x - Step 2: Convert to fraction form
1,214,267,881.64/1,675,690,237.29 = 657,350,928.70/x - Step 3: Cross multiply
1,214,267,881.64x = 1,675,690,237.29 × 657,350,928.70 - Step 4: Simplify right side
1,214,267,881.64x = 1,101,516,533,694,413,696 - Step 5: Solve for x
x = 1,101,516,533,694,413,696/1,214,267,881.64 - Step 6: Final answer
x = 907,144,585.11
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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.