Finding the Fourth Proportional to 4,447,528,431.28, 6,671,263,749.82 and 1,131,314,669.35
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Solution
The fourth proportional to 4,447,528,431.28, 6,671,263,749.82 and 1,131,314,669.35 is: 1,696,964,653.49
Step by Step Solution
- Step 1: Write the proportion equation
4,447,528,431.28 : 6,671,263,749.82 = 1,131,314,669.35 : x - Step 2: Convert to fraction form
4,447,528,431.28/6,671,263,749.82 = 1,131,314,669.35/x - Step 3: Cross multiply
4,447,528,431.28x = 6,671,263,749.82 × 1,131,314,669.35 - Step 4: Simplify right side
4,447,528,431.28x = 7,547,298,543,274,253,312 - Step 5: Solve for x
x = 7,547,298,543,274,253,312/4,447,528,431.28 - Step 6: Final answer
x = 1,696,964,653.49
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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.