Finding the Fourth Proportional to 1,778,475,382.02, 2,454,310,437.24 and 985,534,606.08
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Solution
The fourth proportional to 1,778,475,382.02, 2,454,310,437.24 and 985,534,606.08 is: 1,360,045,741.66
Step by Step Solution
- Step 1: Write the proportion equation
1,778,475,382.02 : 2,454,310,437.24 = 985,534,606.08 : x - Step 2: Convert to fraction form
1,778,475,382.02/2,454,310,437.24 = 985,534,606.08/x - Step 3: Cross multiply
1,778,475,382.02x = 2,454,310,437.24 × 985,534,606.08 - Step 4: Simplify right side
1,778,475,382.02x = 2,418,807,869,963,355,648 - Step 5: Solve for x
x = 2,418,807,869,963,355,648/1,778,475,382.02 - Step 6: Final answer
x = 1,360,045,741.66
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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.