Finding the Fourth Proportional to 1,913,223,047.04, 2,640,303,763.20 and 1,120,194,829.44
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Solution
The fourth proportional to 1,913,223,047.04, 2,640,303,763.20 and 1,120,194,829.44 is: 1,545,901,628.28
Step by Step Solution
- Step 1: Write the proportion equation
1,913,223,047.04 : 2,640,303,763.20 = 1,120,194,829.44 : x - Step 2: Convert to fraction form
1,913,223,047.04/2,640,303,763.20 = 1,120,194,829.44/x - Step 3: Cross multiply
1,913,223,047.04x = 2,640,303,763.20 × 1,120,194,829.44 - Step 4: Simplify right side
1,913,223,047.04x = 2,957,654,623,687,613,952 - Step 5: Solve for x
x = 2,957,654,623,687,613,952/1,913,223,047.04 - Step 6: Final answer
x = 1,545,901,628.28
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.