Finding the Fourth Proportional to 1,831,495,572.40, 2,528,121,315.72 and 1,088,937,863.68
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Solution
The fourth proportional to 1,831,495,572.40, 2,528,121,315.72 and 1,088,937,863.68 is: 1,503,125,132.35
Step by Step Solution
- Step 1: Write the proportion equation
1,831,495,572.40 : 2,528,121,315.72 = 1,088,937,863.68 : x - Step 2: Convert to fraction form
1,831,495,572.40/2,528,121,315.72 = 1,088,937,863.68/x - Step 3: Cross multiply
1,831,495,572.40x = 2,528,121,315.72 × 1,088,937,863.68 - Step 4: Simplify right side
1,831,495,572.40x = 2,752,967,024,664,007,680 - Step 5: Solve for x
x = 2,752,967,024,664,007,680/1,831,495,572.40 - Step 6: Final answer
x = 1,503,125,132.35
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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.