Finding the Fourth Proportional to 1,326,907,225.08, 1,831,170,824.70 and 724,116,689.76
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Solution
The fourth proportional to 1,326,907,225.08, 1,831,170,824.70 and 724,116,689.76 is: 999,302,235.23
Step by Step Solution
- Step 1: Write the proportion equation
1,326,907,225.08 : 1,831,170,824.70 = 724,116,689.76 : x - Step 2: Convert to fraction form
1,326,907,225.08/1,831,170,824.70 = 724,116,689.76/x - Step 3: Cross multiply
1,326,907,225.08x = 1,831,170,824.70 × 724,116,689.76 - Step 4: Simplify right side
1,326,907,225.08x = 1,325,981,355,966,853,376 - Step 5: Solve for x
x = 1,325,981,355,966,853,376/1,326,907,225.08 - Step 6: Final answer
x = 999,302,235.23
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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.