Finding the Fourth Proportional to 1,577,360,938.16, 2,165,359,446.15 and 1,353,954,767.49
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Solution
The fourth proportional to 1,577,360,938.16, 2,165,359,446.15 and 1,353,954,767.49 is: 1,858,673,354.02
Step by Step Solution
- Step 1: Write the proportion equation
1,577,360,938.16 : 2,165,359,446.15 = 1,353,954,767.49 : x - Step 2: Convert to fraction form
1,577,360,938.16/2,165,359,446.15 = 1,353,954,767.49/x - Step 3: Cross multiply
1,577,360,938.16x = 2,165,359,446.15 × 1,353,954,767.49 - Step 4: Simplify right side
1,577,360,938.16x = 2,931,798,745,439,153,664 - Step 5: Solve for x
x = 2,931,798,745,439,153,664/1,577,360,938.16 - Step 6: Final answer
x = 1,858,673,354.02
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.