Finding the Fourth Proportional to 1,778,475,373.02, 2,454,310,424.79 and 985,534,597.08
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Solution
The fourth proportional to 1,778,475,373.02, 2,454,310,424.79 and 985,534,597.08 is: 1,360,045,729.22
Step by Step Solution
- Step 1: Write the proportion equation
1,778,475,373.02 : 2,454,310,424.79 = 985,534,597.08 : x - Step 2: Convert to fraction form
1,778,475,373.02/2,454,310,424.79 = 985,534,597.08/x - Step 3: Cross multiply
1,778,475,373.02x = 2,454,310,424.79 × 985,534,597.08 - Step 4: Simplify right side
1,778,475,373.02x = 2,418,807,835,604,656,128 - Step 5: Solve for x
x = 2,418,807,835,604,656,128/1,778,475,373.02 - Step 6: Final answer
x = 1,360,045,729.22
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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.